Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.3/rdft/scalar/r2cb/hc2cbdft_6.c @ 10:37bf6b4a2645
Add FFTW3
| author | Chris Cannam |
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| date | Wed, 20 Mar 2013 15:35:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.3/rdft/scalar/r2cb/hc2cbdft_6.c Wed Mar 20 15:35:50 2013 +0000 @@ -0,0 +1,329 @@ +/* + * Copyright (c) 2003, 2007-11 Matteo Frigo + * Copyright (c) 2003, 2007-11 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Sun Nov 25 07:42:04 EST 2012 */ + +#include "codelet-rdft.h" + +#ifdef HAVE_FMA + +/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -dif -name hc2cbdft_6 -include hc2cb.h */ + +/* + * This function contains 58 FP additions, 32 FP multiplications, + * (or, 36 additions, 10 multiplications, 22 fused multiply/add), + * 52 stack variables, 2 constants, and 24 memory accesses + */ +#include "hc2cb.h" + +static void hc2cbdft_6(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) +{ + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + { + INT m; + for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 10, MAKE_VOLATILE_STRIDE(24, rs)) { + E T18, T1b, T16, T1e, T1a, T1f, T19, T1g, T1c; + { + E Tw, T4, TV, Tj, TP, TH, Tr, TY, T5, T6, Ta, Ty; + { + E Tg, TF, Tf, TD, Tp, Th; + { + E Td, Te, Tn, To; + Td = Ip[WS(rs, 1)]; + Te = Im[WS(rs, 1)]; + Tn = Ip[0]; + To = Im[WS(rs, 2)]; + Tg = Ip[WS(rs, 2)]; + TF = Te + Td; + Tf = Td - Te; + TD = Tn + To; + Tp = Tn - To; + Th = Im[0]; + } + { + E T2, T3, T8, T9; + T2 = Rp[0]; + T3 = Rm[WS(rs, 2)]; + { + E Tq, TE, Ti, TG; + T8 = Rm[WS(rs, 1)]; + TE = Tg + Th; + Ti = Tg - Th; + Tw = T2 - T3; + T4 = T2 + T3; + TG = TE - TF; + TV = TF + TE; + Tq = Tf + Ti; + Tj = Tf - Ti; + TP = FNMS(KP500000000, TG, TD); + TH = TD + TG; + T9 = Rp[WS(rs, 1)]; + Tr = FNMS(KP500000000, Tq, Tp); + TY = Tp + Tq; + } + T5 = Rp[WS(rs, 2)]; + T6 = Rm[0]; + Ta = T8 + T9; + Ty = T8 - T9; + } + } + { + E TO, TT, Ts, TA, TR, Tc, TN, TW, TS, Tx, T7; + Tx = T5 - T6; + T7 = T5 + T6; + TO = W[0]; + TT = W[1]; + { + E Tz, TQ, Tb, TU; + Tz = Tx + Ty; + TQ = Tx - Ty; + Tb = T7 + Ta; + Ts = T7 - Ta; + TU = FNMS(KP500000000, Tz, Tw); + TA = Tw + Tz; + TR = FMA(KP866025403, TQ, TP); + T18 = FNMS(KP866025403, TQ, TP); + Tc = FNMS(KP500000000, Tb, T4); + TN = T4 + Tb; + T1b = FMA(KP866025403, TV, TU); + TW = FNMS(KP866025403, TV, TU); + TS = TO * TR; + } + { + E T15, Tt, T12, T1, Tm, TI, TM, Tl, TJ; + { + E Tv, TC, TB, TL, Tk, TZ, TX, T10; + T15 = FMA(KP866025403, Ts, Tr); + Tt = FNMS(KP866025403, Ts, Tr); + TZ = TO * TW; + TX = FMA(TT, TW, TS); + Tv = W[4]; + TC = W[5]; + T10 = FNMS(TT, TR, TZ); + Rm[0] = TN + TX; + Rp[0] = TN - TX; + TB = Tv * TA; + Im[0] = T10 - TY; + Ip[0] = TY + T10; + TL = TC * TA; + Tk = FNMS(KP866025403, Tj, Tc); + T12 = FMA(KP866025403, Tj, Tc); + T1 = W[3]; + Tm = W[2]; + TI = FNMS(TC, TH, TB); + TM = FMA(Tv, TH, TL); + Tl = T1 * Tk; + TJ = Tm * Tk; + } + { + E T11, T14, T13, T1d, T17, Tu, TK; + Tu = FMA(Tm, Tt, Tl); + TK = FNMS(T1, Tt, TJ); + T11 = W[6]; + T14 = W[7]; + Im[WS(rs, 1)] = TI - Tu; + Ip[WS(rs, 1)] = Tu + TI; + Rm[WS(rs, 1)] = TK + TM; + Rp[WS(rs, 1)] = TK - TM; + T13 = T11 * T12; + T1d = T14 * T12; + T17 = W[8]; + T16 = FNMS(T14, T15, T13); + T1e = FMA(T11, T15, T1d); + T1a = W[9]; + T1f = T17 * T1b; + T19 = T17 * T18; + } + } + } + } + T1g = FNMS(T1a, T18, T1f); + T1c = FMA(T1a, T1b, T19); + Im[WS(rs, 2)] = T1g - T1e; + Ip[WS(rs, 2)] = T1e + T1g; + Rm[WS(rs, 2)] = T16 + T1c; + Rp[WS(rs, 2)] = T16 - T1c; + } + } +} + +static const tw_instr twinstr[] = { + {TW_FULL, 1, 6}, + {TW_NEXT, 1, 0} +}; + +static const hc2c_desc desc = { 6, "hc2cbdft_6", twinstr, &GENUS, {36, 10, 22, 0} }; + +void X(codelet_hc2cbdft_6) (planner *p) { + X(khc2c_register) (p, hc2cbdft_6, &desc, HC2C_VIA_DFT); +} +#else /* HAVE_FMA */ + +/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -dif -name hc2cbdft_6 -include hc2cb.h */ + +/* + * This function contains 58 FP additions, 28 FP multiplications, + * (or, 44 additions, 14 multiplications, 14 fused multiply/add), + * 29 stack variables, 2 constants, and 24 memory accesses + */ +#include "hc2cb.h" + +static void hc2cbdft_6(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms) +{ + DK(KP500000000, +0.500000000000000000000000000000000000000000000); + DK(KP866025403, +0.866025403784438646763723170752936183471402627); + { + INT m; + for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 10, MAKE_VOLATILE_STRIDE(24, rs)) { + E T4, Tv, Tr, TL, Tb, Tc, Ty, TP, To, TB, Tj, TQ, Tp, Tq, TE; + E TM; + { + E Ta, Tx, T7, Tw, T2, T3; + T2 = Rp[0]; + T3 = Rm[WS(rs, 2)]; + T4 = T2 + T3; + Tv = T2 - T3; + { + E T8, T9, T5, T6; + T8 = Rm[WS(rs, 1)]; + T9 = Rp[WS(rs, 1)]; + Ta = T8 + T9; + Tx = T8 - T9; + T5 = Rp[WS(rs, 2)]; + T6 = Rm[0]; + T7 = T5 + T6; + Tw = T5 - T6; + } + Tr = KP866025403 * (T7 - Ta); + TL = KP866025403 * (Tw - Tx); + Tb = T7 + Ta; + Tc = FNMS(KP500000000, Tb, T4); + Ty = Tw + Tx; + TP = FNMS(KP500000000, Ty, Tv); + } + { + E Tf, TC, Ti, TD, Td, Te; + Td = Ip[WS(rs, 1)]; + Te = Im[WS(rs, 1)]; + Tf = Td - Te; + TC = Te + Td; + { + E Tm, Tn, Tg, Th; + Tm = Ip[0]; + Tn = Im[WS(rs, 2)]; + To = Tm - Tn; + TB = Tm + Tn; + Tg = Ip[WS(rs, 2)]; + Th = Im[0]; + Ti = Tg - Th; + TD = Tg + Th; + } + Tj = KP866025403 * (Tf - Ti); + TQ = KP866025403 * (TC + TD); + Tp = Tf + Ti; + Tq = FNMS(KP500000000, Tp, To); + TE = TC - TD; + TM = FMA(KP500000000, TE, TB); + } + { + E TJ, TT, TS, TU; + TJ = T4 + Tb; + TT = To + Tp; + { + E TN, TR, TK, TO; + TN = TL + TM; + TR = TP - TQ; + TK = W[0]; + TO = W[1]; + TS = FMA(TK, TN, TO * TR); + TU = FNMS(TO, TN, TK * TR); + } + Rp[0] = TJ - TS; + Ip[0] = TT + TU; + Rm[0] = TJ + TS; + Im[0] = TU - TT; + } + { + E TZ, T15, T14, T16; + { + E TW, TY, TV, TX; + TW = Tc + Tj; + TY = Tr + Tq; + TV = W[6]; + TX = W[7]; + TZ = FNMS(TX, TY, TV * TW); + T15 = FMA(TX, TW, TV * TY); + } + { + E T11, T13, T10, T12; + T11 = TM - TL; + T13 = TP + TQ; + T10 = W[8]; + T12 = W[9]; + T14 = FMA(T10, T11, T12 * T13); + T16 = FNMS(T12, T11, T10 * T13); + } + Rp[WS(rs, 2)] = TZ - T14; + Ip[WS(rs, 2)] = T15 + T16; + Rm[WS(rs, 2)] = TZ + T14; + Im[WS(rs, 2)] = T16 - T15; + } + { + E Tt, TH, TG, TI; + { + E Tk, Ts, T1, Tl; + Tk = Tc - Tj; + Ts = Tq - Tr; + T1 = W[3]; + Tl = W[2]; + Tt = FMA(T1, Tk, Tl * Ts); + TH = FNMS(T1, Ts, Tl * Tk); + } + { + E Tz, TF, Tu, TA; + Tz = Tv + Ty; + TF = TB - TE; + Tu = W[4]; + TA = W[5]; + TG = FNMS(TA, TF, Tu * Tz); + TI = FMA(TA, Tz, Tu * TF); + } + Ip[WS(rs, 1)] = Tt + TG; + Rp[WS(rs, 1)] = TH - TI; + Im[WS(rs, 1)] = TG - Tt; + Rm[WS(rs, 1)] = TH + TI; + } + } + } +} + +static const tw_instr twinstr[] = { + {TW_FULL, 1, 6}, + {TW_NEXT, 1, 0} +}; + +static const hc2c_desc desc = { 6, "hc2cbdft_6", twinstr, &GENUS, {44, 14, 14, 0} }; + +void X(codelet_hc2cbdft_6) (planner *p) { + X(khc2c_register) (p, hc2cbdft_6, &desc, HC2C_VIA_DFT); +} +#endif /* HAVE_FMA */