/* * 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 06:43:42 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 16 -name r2cf_16 -include r2cf.h */ /* * This function contains 58 FP additions, 20 FP multiplications, * (or, 38 additions, 0 multiplications, 20 fused multiply/add), * 38 stack variables, 3 constants, and 32 memory accesses */ #include "r2cf.h" static void r2cf_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP923879532, +0.923879532511286756128183189396788286822416626); DK(KP707106781, +0.707106781186547524400844362104849039284835938); DK(KP414213562, +0.414213562373095048801688724209698078569671875); 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 TQ, TP; { E TB, TN, Tf, T7, Te, Tv, TO, TE, Tq, TJ, Tp, TI, TT, Ty, Tm; E Tr, TK, Ts; { E TC, Ta, Td, TD; { E T1, T2, T4, T5; T1 = R0[0]; T2 = R0[WS(rs, 4)]; T4 = R0[WS(rs, 2)]; T5 = R0[WS(rs, 6)]; { E T8, T3, T6, T9, Tb, Tc; T8 = R0[WS(rs, 1)]; TB = T1 - T2; T3 = T1 + T2; TN = T4 - T5; T6 = T4 + T5; T9 = R0[WS(rs, 5)]; Tb = R0[WS(rs, 7)]; Tc = R0[WS(rs, 3)]; Tf = T3 - T6; T7 = T3 + T6; TC = T8 - T9; Ta = T8 + T9; Td = Tb + Tc; TD = Tb - Tc; } } { E TG, Ti, Tj, Tk, Tg, Th; Tg = R1[0]; Th = R1[WS(rs, 4)]; Te = Ta + Td; Tv = Td - Ta; TO = TD - TC; TE = TC + TD; TG = Tg - Th; Ti = Tg + Th; Tj = R1[WS(rs, 2)]; Tk = R1[WS(rs, 6)]; { E Tn, To, TH, Tl; Tn = R1[WS(rs, 7)]; To = R1[WS(rs, 3)]; Tq = R1[WS(rs, 1)]; TH = Tj - Tk; Tl = Tj + Tk; TJ = Tn - To; Tp = Tn + To; TI = FNMS(KP414213562, TH, TG); TT = FMA(KP414213562, TG, TH); Ty = Ti + Tl; Tm = Ti - Tl; Tr = R1[WS(rs, 5)]; } } } Cr[WS(csr, 4)] = T7 - Te; TK = Tr - Tq; Ts = Tq + Tr; { E Tx, TV, TF, TS, Tz, Tt, TM, TL; Tx = T7 + Te; TV = FNMS(KP707106781, TE, TB); TF = FMA(KP707106781, TE, TB); TL = FNMS(KP414213562, TK, TJ); TS = FMA(KP414213562, TJ, TK); Tz = Tp + Ts; Tt = Tp - Ts; TM = TI + TL; TQ = TL - TI; { E TR, TU, TW, TA, Tw, Tu; TP = FMA(KP707106781, TO, TN); TR = FNMS(KP707106781, TO, TN); TA = Ty + Tz; Ci[WS(csi, 4)] = Tz - Ty; Tw = Tt - Tm; Tu = Tm + Tt; Cr[WS(csr, 1)] = FMA(KP923879532, TM, TF); Cr[WS(csr, 7)] = FNMS(KP923879532, TM, TF); Cr[0] = Tx + TA; Cr[WS(csr, 8)] = Tx - TA; Ci[WS(csi, 6)] = FMS(KP707106781, Tw, Tv); Ci[WS(csi, 2)] = FMA(KP707106781, Tw, Tv); Cr[WS(csr, 2)] = FMA(KP707106781, Tu, Tf); Cr[WS(csr, 6)] = FNMS(KP707106781, Tu, Tf); TU = TS - TT; TW = TT + TS; Ci[WS(csi, 7)] = FMA(KP923879532, TU, TR); Ci[WS(csi, 1)] = FMS(KP923879532, TU, TR); Cr[WS(csr, 3)] = FMA(KP923879532, TW, TV); Cr[WS(csr, 5)] = FNMS(KP923879532, TW, TV); } } } Ci[WS(csi, 5)] = FMS(KP923879532, TQ, TP); Ci[WS(csi, 3)] = FMA(KP923879532, TQ, TP); } } static const kr2c_desc desc = { 16, "r2cf_16", {38, 0, 20, 0}, &GENUS }; void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &desc); } #else /* HAVE_FMA */ /* Generated by: ../../../genfft/gen_r2cf -compact -variables 4 -pipeline-latency 4 -n 16 -name r2cf_16 -include r2cf.h */ /* * This function contains 58 FP additions, 12 FP multiplications, * (or, 54 additions, 8 multiplications, 4 fused multiply/add), * 34 stack variables, 3 constants, and 32 memory accesses */ #include "r2cf.h" static void r2cf_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs) { DK(KP923879532, +0.923879532511286756128183189396788286822416626); DK(KP382683432, +0.382683432365089771728459984030398866761344562); DK(KP707106781, +0.707106781186547524400844362104849039284835938); 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, T6, T7, Tz, Ti, Ta, Td, Te, TA, Th, Tq, TV, TF, TP, Tx; E TU, TE, TM, Tg, Tf, TJ, TQ; { E T1, T2, T4, T5; T1 = R0[0]; T2 = R0[WS(rs, 4)]; T3 = T1 + T2; T4 = R0[WS(rs, 2)]; T5 = R0[WS(rs, 6)]; T6 = T4 + T5; T7 = T3 + T6; Tz = T1 - T2; Ti = T4 - T5; } { E T8, T9, Tb, Tc; T8 = R0[WS(rs, 1)]; T9 = R0[WS(rs, 5)]; Ta = T8 + T9; Tg = T8 - T9; Tb = R0[WS(rs, 7)]; Tc = R0[WS(rs, 3)]; Td = Tb + Tc; Tf = Tb - Tc; } Te = Ta + Td; TA = KP707106781 * (Tg + Tf); Th = KP707106781 * (Tf - Tg); { E Tm, TN, Tp, TO; { E Tk, Tl, Tn, To; Tk = R1[WS(rs, 7)]; Tl = R1[WS(rs, 3)]; Tm = Tk - Tl; TN = Tk + Tl; Tn = R1[WS(rs, 1)]; To = R1[WS(rs, 5)]; Tp = Tn - To; TO = Tn + To; } Tq = FNMS(KP923879532, Tp, KP382683432 * Tm); TV = TN + TO; TF = FMA(KP923879532, Tm, KP382683432 * Tp); TP = TN - TO; } { E Tt, TK, Tw, TL; { E Tr, Ts, Tu, Tv; Tr = R1[0]; Ts = R1[WS(rs, 4)]; Tt = Tr - Ts; TK = Tr + Ts; Tu = R1[WS(rs, 2)]; Tv = R1[WS(rs, 6)]; Tw = Tu - Tv; TL = Tu + Tv; } Tx = FMA(KP382683432, Tt, KP923879532 * Tw); TU = TK + TL; TE = FNMS(KP382683432, Tw, KP923879532 * Tt); TM = TK - TL; } Cr[WS(csr, 4)] = T7 - Te; Ci[WS(csi, 4)] = TV - TU; { E Tj, Ty, TD, TG; Tj = Th - Ti; Ty = Tq - Tx; Ci[WS(csi, 1)] = Tj + Ty; Ci[WS(csi, 7)] = Ty - Tj; TD = Tz + TA; TG = TE + TF; Cr[WS(csr, 7)] = TD - TG; Cr[WS(csr, 1)] = TD + TG; } { E TB, TC, TH, TI; TB = Tz - TA; TC = Tx + Tq; Cr[WS(csr, 5)] = TB - TC; Cr[WS(csr, 3)] = TB + TC; TH = Ti + Th; TI = TF - TE; Ci[WS(csi, 3)] = TH + TI; Ci[WS(csi, 5)] = TI - TH; } TJ = T3 - T6; TQ = KP707106781 * (TM + TP); Cr[WS(csr, 6)] = TJ - TQ; Cr[WS(csr, 2)] = TJ + TQ; { E TR, TS, TT, TW; TR = Td - Ta; TS = KP707106781 * (TP - TM); Ci[WS(csi, 2)] = TR + TS; Ci[WS(csi, 6)] = TS - TR; TT = T7 + Te; TW = TU + TV; Cr[WS(csr, 8)] = TT - TW; Cr[0] = TT + TW; } } } static const kr2c_desc desc = { 16, "r2cf_16", {54, 8, 4, 0}, &GENUS }; void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &desc); } #endif /* HAVE_FMA */