/* * 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 06:45:41 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 r2cb_6 -include r2cb.h */ /* * This function contains 14 FP additions, 6 FP multiplications, * (or, 8 additions, 0 multiplications, 6 fused multiply/add), * 13 stack variables, 2 constants, and 12 memory accesses */ #include "r2cb.h" static void r2cb_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 T4, T7, T3, Te, Tc, T5; { E T1, T2, Ta, Tb; T1 = Cr[0]; T2 = Cr[WS(csr, 3)]; Ta = Ci[WS(csi, 2)]; Tb = Ci[WS(csi, 1)]; T4 = Cr[WS(csr, 2)]; T7 = T1 - T2; T3 = T1 + T2; Te = Ta + Tb; Tc = Ta - Tb; T5 = Cr[WS(csr, 1)]; } { E T6, T8, Td, T9; T6 = T4 + T5; T8 = T5 - T4; Td = T7 + T8; R1[WS(rs, 1)] = FNMS(KP2_000000000, T8, T7); T9 = T3 - T6; R0[0] = FMA(KP2_000000000, T6, T3); R1[WS(rs, 2)] = FMA(KP1_732050807, Te, Td); R1[0] = FNMS(KP1_732050807, Te, Td); R0[WS(rs, 1)] = FMA(KP1_732050807, Tc, T9); R0[WS(rs, 2)] = FNMS(KP1_732050807, Tc, T9); } } } static const kr2c_desc desc = { 6, "r2cb_6", {8, 0, 6, 0}, &GENUS }; void X(codelet_r2cb_6) (planner *p) { X(kr2c_register) (p, r2cb_6, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cb -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cb_6 -include r2cb.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 "r2cb.h" static void r2cb_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 T3, T7, Tc, Te, T6, T8, T1, T2, T9, Td; T1 = Cr[0]; T2 = Cr[WS(csr, 3)]; T3 = T1 - T2; T7 = T1 + T2; { E Ta, Tb, T4, T5; Ta = Ci[WS(csi, 2)]; Tb = Ci[WS(csi, 1)]; Tc = KP1_732050807 * (Ta - Tb); Te = KP1_732050807 * (Ta + Tb); T4 = Cr[WS(csr, 2)]; T5 = Cr[WS(csr, 1)]; T6 = T4 - T5; T8 = T4 + T5; } R1[WS(rs, 1)] = FMA(KP2_000000000, T6, T3); R0[0] = FMA(KP2_000000000, T8, T7); T9 = T7 - T8; R0[WS(rs, 2)] = T9 - Tc; R0[WS(rs, 1)] = T9 + Tc; Td = T3 - T6; R1[0] = Td - Te; R1[WS(rs, 2)] = Td + Te; } } static const kr2c_desc desc = { 6, "r2cb_6", {12, 2, 2, 0}, &GENUS }; void X(codelet_r2cb_6) (planner *p) { X(kr2c_register) (p, r2cb_6, &desc); } #endif /* HAVE_FMA */