/* * 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 06:46:24 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 12 -name r2cbIII_12 -dft-III -include r2cbIII.h */ /* * This function contains 42 FP additions, 20 FP multiplications, * (or, 30 additions, 8 multiplications, 12 fused multiply/add), * 37 stack variables, 4 constants, and 24 memory accesses */ #include "r2cbIII.h" static void r2cbIII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP707106781, +0.707106781186547524400844362104849039284835938); DK(KP1_414213562, +1.414213562373095048801688724209698078569671875); 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 TE, TD, TF, TG; { E Tx, T6, Te, Tb, T5, Tw, Ts, To, Th, Ti, T9, TA; { E T1, Tq, Tc, Td, T4, T2, T3, T7, T8, Tr; T1 = Cr[WS(csr, 1)]; T2 = Cr[WS(csr, 5)]; T3 = Cr[WS(csr, 2)]; Tq = Ci[WS(csi, 1)]; Tc = Ci[WS(csi, 5)]; Td = Ci[WS(csi, 2)]; T4 = T2 + T3; Tx = T2 - T3; T6 = Cr[WS(csr, 4)]; Te = Tc + Td; Tr = Td - Tc; Tb = FNMS(KP2_000000000, T1, T4); T5 = T1 + T4; T7 = Cr[0]; Tw = FMA(KP2_000000000, Tq, Tr); Ts = Tq - Tr; T8 = Cr[WS(csr, 3)]; To = Ci[WS(csi, 4)]; Th = Ci[0]; Ti = Ci[WS(csi, 3)]; T9 = T7 + T8; TA = T7 - T8; } { E Tl, Tm, Tv, TC; { E Tf, Ty, Tk, TB; { E Tj, Tn, Tg, Ta; Tl = FNMS(KP1_732050807, Te, Tb); Tf = FMA(KP1_732050807, Te, Tb); Tj = Th + Ti; Tn = Ti - Th; Tg = FNMS(KP2_000000000, T6, T9); Ta = T6 + T9; { E Tu, Tt, Tz, Tp; Ty = FMA(KP1_732050807, Tx, Tw); TE = FNMS(KP1_732050807, Tx, Tw); Tz = FMA(KP2_000000000, To, Tn); Tp = Tn - To; Tm = FMA(KP1_732050807, Tj, Tg); Tk = FNMS(KP1_732050807, Tj, Tg); Tu = T5 - Ta; R0[0] = KP2_000000000 * (T5 + Ta); Tt = Tp - Ts; R0[WS(rs, 3)] = KP2_000000000 * (Ts + Tp); Tv = Tk - Tf; TD = FMA(KP1_732050807, TA, Tz); TB = FNMS(KP1_732050807, TA, Tz); R1[WS(rs, 4)] = KP1_414213562 * (Tu + Tt); R1[WS(rs, 1)] = KP1_414213562 * (Tt - Tu); } } R0[WS(rs, 2)] = Tf + Tk; TC = Ty + TB; R0[WS(rs, 5)] = TB - Ty; } R1[WS(rs, 3)] = KP707106781 * (Tv + TC); R1[0] = KP707106781 * (Tv - TC); TF = Tl - Tm; R0[WS(rs, 4)] = -(Tl + Tm); } } R0[WS(rs, 1)] = TD - TE; TG = TE + TD; R1[WS(rs, 5)] = KP707106781 * (TF - TG); R1[WS(rs, 2)] = KP707106781 * (TF + TG); } } static const kr2c_desc desc = { 12, "r2cbIII_12", {30, 8, 12, 0}, &GENUS }; void X(codelet_r2cbIII_12) (planner *p) { X(kr2c_register) (p, r2cbIII_12, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cb -compact -variables 4 -pipeline-latency 4 -sign 1 -n 12 -name r2cbIII_12 -dft-III -include r2cbIII.h */ /* * This function contains 42 FP additions, 20 FP multiplications, * (or, 38 additions, 16 multiplications, 4 fused multiply/add), * 25 stack variables, 4 constants, and 24 memory accesses */ #include "r2cbIII.h" static void r2cbIII_12(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); DK(KP500000000, +0.500000000000000000000000000000000000000000000); DK(KP866025403, +0.866025403784438646763723170752936183471402627); 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 T5, Tw, Tb, Te, Tx, Ts, Ta, TA, Tg, Tj, Tz, Tp, Tt, Tu; { E T1, T2, T3, T4; T1 = Cr[WS(csr, 1)]; T2 = Cr[WS(csr, 5)]; T3 = Cr[WS(csr, 2)]; T4 = T2 + T3; T5 = T1 + T4; Tw = KP866025403 * (T2 - T3); Tb = FNMS(KP500000000, T4, T1); } { E Tq, Tc, Td, Tr; Tq = Ci[WS(csi, 1)]; Tc = Ci[WS(csi, 5)]; Td = Ci[WS(csi, 2)]; Tr = Td - Tc; Te = KP866025403 * (Tc + Td); Tx = FMA(KP500000000, Tr, Tq); Ts = Tq - Tr; } { E T6, T7, T8, T9; T6 = Cr[WS(csr, 4)]; T7 = Cr[0]; T8 = Cr[WS(csr, 3)]; T9 = T7 + T8; Ta = T6 + T9; TA = KP866025403 * (T7 - T8); Tg = FNMS(KP500000000, T9, T6); } { E To, Th, Ti, Tn; To = Ci[WS(csi, 4)]; Th = Ci[0]; Ti = Ci[WS(csi, 3)]; Tn = Ti - Th; Tj = KP866025403 * (Th + Ti); Tz = FMA(KP500000000, Tn, To); Tp = Tn - To; } R0[0] = KP2_000000000 * (T5 + Ta); R0[WS(rs, 3)] = KP2_000000000 * (Ts + Tp); Tt = Tp - Ts; Tu = T5 - Ta; R1[WS(rs, 1)] = KP1_414213562 * (Tt - Tu); R1[WS(rs, 4)] = KP1_414213562 * (Tu + Tt); { E Tf, Tk, Tv, Ty, TB, TC; Tf = Tb - Te; Tk = Tg + Tj; Tv = Tf - Tk; Ty = Tw + Tx; TB = Tz - TA; TC = Ty + TB; R0[WS(rs, 2)] = -(KP2_000000000 * (Tf + Tk)); R0[WS(rs, 5)] = KP2_000000000 * (TB - Ty); R1[0] = KP1_414213562 * (Tv - TC); R1[WS(rs, 3)] = KP1_414213562 * (Tv + TC); } { E Tl, Tm, TF, TD, TE, TG; Tl = Tb + Te; Tm = Tg - Tj; TF = Tm - Tl; TD = TA + Tz; TE = Tx - Tw; TG = TE + TD; R0[WS(rs, 4)] = KP2_000000000 * (Tl + Tm); R1[WS(rs, 2)] = KP1_414213562 * (TF + TG); R0[WS(rs, 1)] = KP2_000000000 * (TD - TE); R1[WS(rs, 5)] = KP1_414213562 * (TF - TG); } } } static const kr2c_desc desc = { 12, "r2cbIII_12", {38, 16, 4, 0}, &GENUS }; void X(codelet_r2cbIII_12) (planner *p) { X(kr2c_register) (p, r2cbIII_12, &desc); } #endif /* HAVE_FMA */