diff options
Diffstat (limited to 'src/fftw3/dft/codelets/inplace/q1_4.c')
| -rw-r--r-- | src/fftw3/dft/codelets/inplace/q1_4.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/fftw3/dft/codelets/inplace/q1_4.c b/src/fftw3/dft/codelets/inplace/q1_4.c new file mode 100644 index 0000000..c4300f5 --- /dev/null +++ b/src/fftw3/dft/codelets/inplace/q1_4.c @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2003 Matteo Frigo + * Copyright (c) 2003 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 Sat Jul 5 21:39:14 EDT 2003 */ + +#include "codelet-dft.h" + +/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twidsq -compact -variables 4 -reload-twiddle -dif -n 4 -name q1_4 -include q.h */ + +/* + * This function contains 88 FP additions, 48 FP multiplications, + * (or, 64 additions, 24 multiplications, 24 fused multiply/add), + * 37 stack variables, and 64 memory accesses + */ +/* + * Generator Id's : + * $Id: q1_4.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + * $Id: q1_4.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + * $Id: q1_4.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ + */ + +#include "q.h" + +static const R *q1_4(R *rio, R *iio, const R *W, stride is, stride vs, int m, int dist) +{ + int i; + for (i = m; i > 0; i = i - 1, rio = rio + dist, iio = iio + dist, W = W + 6) { + E T3, Te, Tb, Tq, T6, T8, Th, Tr, Tv, TG, TD, TS, Ty, TA, TJ; + E TT, TX, T18, T15, T1k, T10, T12, T1b, T1l, T1p, T1A, T1x, T1M, T1s, T1u; + E T1D, T1N; + { + E T1, T2, T9, Ta; + T1 = rio[0]; + T2 = rio[WS(is, 2)]; + T3 = T1 + T2; + Te = T1 - T2; + T9 = iio[0]; + Ta = iio[WS(is, 2)]; + Tb = T9 - Ta; + Tq = T9 + Ta; + } + { + E T4, T5, Tf, Tg; + T4 = rio[WS(is, 1)]; + T5 = rio[WS(is, 3)]; + T6 = T4 + T5; + T8 = T4 - T5; + Tf = iio[WS(is, 1)]; + Tg = iio[WS(is, 3)]; + Th = Tf - Tg; + Tr = Tf + Tg; + } + { + E Tt, Tu, TB, TC; + Tt = rio[WS(vs, 1)]; + Tu = rio[WS(vs, 1) + WS(is, 2)]; + Tv = Tt + Tu; + TG = Tt - Tu; + TB = iio[WS(vs, 1)]; + TC = iio[WS(vs, 1) + WS(is, 2)]; + TD = TB - TC; + TS = TB + TC; + } + { + E Tw, Tx, TH, TI; + Tw = rio[WS(vs, 1) + WS(is, 1)]; + Tx = rio[WS(vs, 1) + WS(is, 3)]; + Ty = Tw + Tx; + TA = Tw - Tx; + TH = iio[WS(vs, 1) + WS(is, 1)]; + TI = iio[WS(vs, 1) + WS(is, 3)]; + TJ = TH - TI; + TT = TH + TI; + } + { + E TV, TW, T13, T14; + TV = rio[WS(vs, 2)]; + TW = rio[WS(vs, 2) + WS(is, 2)]; + TX = TV + TW; + T18 = TV - TW; + T13 = iio[WS(vs, 2)]; + T14 = iio[WS(vs, 2) + WS(is, 2)]; + T15 = T13 - T14; + T1k = T13 + T14; + } + { + E TY, TZ, T19, T1a; + TY = rio[WS(vs, 2) + WS(is, 1)]; + TZ = rio[WS(vs, 2) + WS(is, 3)]; + T10 = TY + TZ; + T12 = TY - TZ; + T19 = iio[WS(vs, 2) + WS(is, 1)]; + T1a = iio[WS(vs, 2) + WS(is, 3)]; + T1b = T19 - T1a; + T1l = T19 + T1a; + } + { + E T1n, T1o, T1v, T1w; + T1n = rio[WS(vs, 3)]; + T1o = rio[WS(vs, 3) + WS(is, 2)]; + T1p = T1n + T1o; + T1A = T1n - T1o; + T1v = iio[WS(vs, 3)]; + T1w = iio[WS(vs, 3) + WS(is, 2)]; + T1x = T1v - T1w; + T1M = T1v + T1w; + } + { + E T1q, T1r, T1B, T1C; + T1q = rio[WS(vs, 3) + WS(is, 1)]; + T1r = rio[WS(vs, 3) + WS(is, 3)]; + T1s = T1q + T1r; + T1u = T1q - T1r; + T1B = iio[WS(vs, 3) + WS(is, 1)]; + T1C = iio[WS(vs, 3) + WS(is, 3)]; + T1D = T1B - T1C; + T1N = T1B + T1C; + } + rio[0] = T3 + T6; + iio[0] = Tq + Tr; + rio[WS(is, 1)] = Tv + Ty; + iio[WS(is, 1)] = TS + TT; + rio[WS(is, 2)] = TX + T10; + iio[WS(is, 2)] = T1k + T1l; + iio[WS(is, 3)] = T1M + T1N; + rio[WS(is, 3)] = T1p + T1s; + { + E Tc, Ti, T7, Td; + Tc = T8 + Tb; + Ti = Te - Th; + T7 = W[4]; + Td = W[5]; + iio[WS(vs, 3)] = FNMS(Td, Ti, T7 * Tc); + rio[WS(vs, 3)] = FMA(Td, Tc, T7 * Ti); + } + { + E T1K, T1O, T1J, T1L; + T1K = T1p - T1s; + T1O = T1M - T1N; + T1J = W[2]; + T1L = W[3]; + rio[WS(vs, 2) + WS(is, 3)] = FMA(T1J, T1K, T1L * T1O); + iio[WS(vs, 2) + WS(is, 3)] = FNMS(T1L, T1K, T1J * T1O); + } + { + E Tk, Tm, Tj, Tl; + Tk = Tb - T8; + Tm = Te + Th; + Tj = W[0]; + Tl = W[1]; + iio[WS(vs, 1)] = FNMS(Tl, Tm, Tj * Tk); + rio[WS(vs, 1)] = FMA(Tl, Tk, Tj * Tm); + } + { + E To, Ts, Tn, Tp; + To = T3 - T6; + Ts = Tq - Tr; + Tn = W[2]; + Tp = W[3]; + rio[WS(vs, 2)] = FMA(Tn, To, Tp * Ts); + iio[WS(vs, 2)] = FNMS(Tp, To, Tn * Ts); + } + { + E T16, T1c, T11, T17; + T16 = T12 + T15; + T1c = T18 - T1b; + T11 = W[4]; + T17 = W[5]; + iio[WS(vs, 3) + WS(is, 2)] = FNMS(T17, T1c, T11 * T16); + rio[WS(vs, 3) + WS(is, 2)] = FMA(T17, T16, T11 * T1c); + } + { + E T1G, T1I, T1F, T1H; + T1G = T1x - T1u; + T1I = T1A + T1D; + T1F = W[0]; + T1H = W[1]; + iio[WS(vs, 1) + WS(is, 3)] = FNMS(T1H, T1I, T1F * T1G); + rio[WS(vs, 1) + WS(is, 3)] = FMA(T1H, T1G, T1F * T1I); + } + { + E TQ, TU, TP, TR; + TQ = Tv - Ty; + TU = TS - TT; + TP = W[2]; + TR = W[3]; + rio[WS(vs, 2) + WS(is, 1)] = FMA(TP, TQ, TR * TU); + iio[WS(vs, 2) + WS(is, 1)] = FNMS(TR, TQ, TP * TU); + } + { + E T1e, T1g, T1d, T1f; + T1e = T15 - T12; + T1g = T18 + T1b; + T1d = W[0]; + T1f = W[1]; + iio[WS(vs, 1) + WS(is, 2)] = FNMS(T1f, T1g, T1d * T1e); + rio[WS(vs, 1) + WS(is, 2)] = FMA(T1f, T1e, T1d * T1g); + } + { + E T1i, T1m, T1h, T1j; + T1i = TX - T10; + T1m = T1k - T1l; + T1h = W[2]; + T1j = W[3]; + rio[WS(vs, 2) + WS(is, 2)] = FMA(T1h, T1i, T1j * T1m); + iio[WS(vs, 2) + WS(is, 2)] = FNMS(T1j, T1i, T1h * T1m); + } + { + E T1y, T1E, T1t, T1z; + T1y = T1u + T1x; + T1E = T1A - T1D; + T1t = W[4]; + T1z = W[5]; + iio[WS(vs, 3) + WS(is, 3)] = FNMS(T1z, T1E, T1t * T1y); + rio[WS(vs, 3) + WS(is, 3)] = FMA(T1z, T1y, T1t * T1E); + } + { + E TM, TO, TL, TN; + TM = TD - TA; + TO = TG + TJ; + TL = W[0]; + TN = W[1]; + iio[WS(vs, 1) + WS(is, 1)] = FNMS(TN, TO, TL * TM); + rio[WS(vs, 1) + WS(is, 1)] = FMA(TN, TM, TL * TO); + } + { + E TE, TK, Tz, TF; + TE = TA + TD; + TK = TG - TJ; + Tz = W[4]; + TF = W[5]; + iio[WS(vs, 3) + WS(is, 1)] = FNMS(TF, TK, Tz * TE); + rio[WS(vs, 3) + WS(is, 1)] = FMA(TF, TE, Tz * TK); + } + } + return W; +} + +static const tw_instr twinstr[] = { + {TW_FULL, 0, 4}, + {TW_NEXT, 1, 0} +}; + +static const ct_desc desc = { 4, "q1_4", twinstr, {64, 24, 24, 0}, &GENUS, 0, 0, 0 }; + +void X(codelet_q1_4) (planner *p) { + X(kdft_difsq_register) (p, q1_4, &desc); +} |