Logo Search packages:      
Sourcecode: fftw3 version File versions  Download package

t1bv_32.c

/*
 * 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 21:44:06 EDT 2003 */

#include "codelet-dft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle_c -simd -compact -variables 4 -n 32 -name t1bv_32 -include t1b.h -sign 1 */

/*
 * This function contains 217 FP additions, 104 FP multiplications,
 * (or, 201 additions, 88 multiplications, 16 fused multiply/add),
 * 59 stack variables, and 64 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.7 2003/03/15 20:29:42 stevenj Exp $
 * $Id: fft.ml,v 1.2 2003/03/15 20:29:42 stevenj Exp $
 * $Id: gen_twiddle_c.ml,v 1.7 2003/04/16 19:51:27 athena Exp $
 */

#include "t1b.h"

static const R *t1bv_32(R *ri, R *ii, const R *W, stride ios, int m, int dist)
{
     DVK(KP195090322, +0.195090322016128267848284868477022240927691618);
     DVK(KP980785280, +0.980785280403230449126182236134239036973933731);
     DVK(KP555570233, +0.555570233019602224742830813948532874374937191);
     DVK(KP831469612, +0.831469612302545237078788377617905756738560812);
     DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     int i;
     R *x;
     x = ii;
     BEGIN_SIMD();
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 62)) {
        V T4, T1D, T2P, T3h, Tf, T1y, T2K, T3i, TC, T1w, T2G, T3e, Tr, T1v, T2D;
        V T3d, T1k, T20, T2y, T3a, T1r, T21, T2v, T39, TV, T1X, T2r, T37, T12, T1Y;
        V T2o, T36;
        {
             V T1, T1C, T3, T1A, T1B, T2, T1z, T2N, T2O;
             T1 = LD(&(x[0]), dist, &(x[0]));
             T1B = LD(&(x[WS(ios, 24)]), dist, &(x[0]));
             T1C = BYTW(&(W[TWVL * 46]), T1B);
             T2 = LD(&(x[WS(ios, 16)]), dist, &(x[0]));
             T3 = BYTW(&(W[TWVL * 30]), T2);
             T1z = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
             T1A = BYTW(&(W[TWVL * 14]), T1z);
             T4 = VSUB(T1, T3);
             T1D = VSUB(T1A, T1C);
             T2N = VADD(T1, T3);
             T2O = VADD(T1A, T1C);
             T2P = VSUB(T2N, T2O);
             T3h = VADD(T2N, T2O);
        }
        {
             V T6, Td, T8, Tb;
             {
                V T5, Tc, T7, Ta;
                T5 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                T6 = BYTW(&(W[TWVL * 6]), T5);
                Tc = LD(&(x[WS(ios, 12)]), dist, &(x[0]));
                Td = BYTW(&(W[TWVL * 22]), Tc);
                T7 = LD(&(x[WS(ios, 20)]), dist, &(x[0]));
                T8 = BYTW(&(W[TWVL * 38]), T7);
                Ta = LD(&(x[WS(ios, 28)]), dist, &(x[0]));
                Tb = BYTW(&(W[TWVL * 54]), Ta);
             }
             {
                V T9, Te, T2I, T2J;
                T9 = VSUB(T6, T8);
                Te = VSUB(Tb, Td);
                Tf = VMUL(LDK(KP707106781), VADD(T9, Te));
                T1y = VMUL(LDK(KP707106781), VSUB(T9, Te));
                T2I = VADD(T6, T8);
                T2J = VADD(Tb, Td);
                T2K = VSUB(T2I, T2J);
                T3i = VADD(T2I, T2J);
             }
        }
        {
             V Tt, TA, Tv, Ty;
             {
                V Ts, Tz, Tu, Tx;
                Ts = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                Tt = BYTW(&(W[TWVL * 10]), Ts);
                Tz = LD(&(x[WS(ios, 14)]), dist, &(x[0]));
                TA = BYTW(&(W[TWVL * 26]), Tz);
                Tu = LD(&(x[WS(ios, 22)]), dist, &(x[0]));
                Tv = BYTW(&(W[TWVL * 42]), Tu);
                Tx = LD(&(x[WS(ios, 30)]), dist, &(x[0]));
                Ty = BYTW(&(W[TWVL * 58]), Tx);
             }
             {
                V Tw, TB, T2E, T2F;
                Tw = VSUB(Tt, Tv);
                TB = VSUB(Ty, TA);
                TC = VFNMS(LDK(KP382683432), TB, VMUL(LDK(KP923879532), Tw));
                T1w = VFMA(LDK(KP923879532), TB, VMUL(LDK(KP382683432), Tw));
                T2E = VADD(Ty, TA);
                T2F = VADD(Tt, Tv);
                T2G = VSUB(T2E, T2F);
                T3e = VADD(T2E, T2F);
             }
        }
        {
             V Ti, Tp, Tk, Tn;
             {
                V Th, To, Tj, Tm;
                Th = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                Ti = BYTW(&(W[TWVL * 2]), Th);
                To = LD(&(x[WS(ios, 26)]), dist, &(x[0]));
                Tp = BYTW(&(W[TWVL * 50]), To);
                Tj = LD(&(x[WS(ios, 18)]), dist, &(x[0]));
                Tk = BYTW(&(W[TWVL * 34]), Tj);
                Tm = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                Tn = BYTW(&(W[TWVL * 18]), Tm);
             }
             {
                V Tl, Tq, T2B, T2C;
                Tl = VSUB(Ti, Tk);
                Tq = VSUB(Tn, Tp);
                Tr = VFMA(LDK(KP382683432), Tl, VMUL(LDK(KP923879532), Tq));
                T1v = VFNMS(LDK(KP382683432), Tq, VMUL(LDK(KP923879532), Tl));
                T2B = VADD(Ti, Tk);
                T2C = VADD(Tn, Tp);
                T2D = VSUB(T2B, T2C);
                T3d = VADD(T2B, T2C);
             }
        }
        {
             V T1g, T1i, T1o, T1m, T1a, T1c, T1d, T15, T17, T18;
             {
                V T1f, T1h, T1n, T1l;
                T1f = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                T1g = BYTW(&(W[TWVL * 12]), T1f);
                T1h = LD(&(x[WS(ios, 23)]), dist, &(x[WS(ios, 1)]));
                T1i = BYTW(&(W[TWVL * 44]), T1h);
                T1n = LD(&(x[WS(ios, 15)]), dist, &(x[WS(ios, 1)]));
                T1o = BYTW(&(W[TWVL * 28]), T1n);
                T1l = LD(&(x[WS(ios, 31)]), dist, &(x[WS(ios, 1)]));
                T1m = BYTW(&(W[TWVL * 60]), T1l);
                {
                   V T19, T1b, T14, T16;
                   T19 = LD(&(x[WS(ios, 27)]), dist, &(x[WS(ios, 1)]));
                   T1a = BYTW(&(W[TWVL * 52]), T19);
                   T1b = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                   T1c = BYTW(&(W[TWVL * 20]), T1b);
                   T1d = VSUB(T1a, T1c);
                   T14 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                   T15 = BYTW(&(W[TWVL * 4]), T14);
                   T16 = LD(&(x[WS(ios, 19)]), dist, &(x[WS(ios, 1)]));
                   T17 = BYTW(&(W[TWVL * 36]), T16);
                   T18 = VSUB(T15, T17);
                }
             }
             {
                V T1e, T1j, T2w, T2x;
                T1e = VMUL(LDK(KP707106781), VSUB(T18, T1d));
                T1j = VSUB(T1g, T1i);
                T1k = VSUB(T1e, T1j);
                T20 = VADD(T1j, T1e);
                T2w = VADD(T15, T17);
                T2x = VADD(T1a, T1c);
                T2y = VSUB(T2w, T2x);
                T3a = VADD(T2w, T2x);
             }
             {
                V T1p, T1q, T2t, T2u;
                T1p = VSUB(T1m, T1o);
                T1q = VMUL(LDK(KP707106781), VADD(T18, T1d));
                T1r = VSUB(T1p, T1q);
                T21 = VADD(T1p, T1q);
                T2t = VADD(T1m, T1o);
                T2u = VADD(T1g, T1i);
                T2v = VSUB(T2t, T2u);
                T39 = VADD(T2t, T2u);
             }
        }
        {
             V TR, TT, TZ, TX, TL, TN, TO, TG, TI, TJ;
             {
                V TQ, TS, TY, TW;
                TQ = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                TR = BYTW(&(W[TWVL * 16]), TQ);
                TS = LD(&(x[WS(ios, 25)]), dist, &(x[WS(ios, 1)]));
                TT = BYTW(&(W[TWVL * 48]), TS);
                TY = LD(&(x[WS(ios, 17)]), dist, &(x[WS(ios, 1)]));
                TZ = BYTW(&(W[TWVL * 32]), TY);
                TW = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                TX = BYTW(&(W[0]), TW);
                {
                   V TK, TM, TF, TH;
                   TK = LD(&(x[WS(ios, 29)]), dist, &(x[WS(ios, 1)]));
                   TL = BYTW(&(W[TWVL * 56]), TK);
                   TM = LD(&(x[WS(ios, 13)]), dist, &(x[WS(ios, 1)]));
                   TN = BYTW(&(W[TWVL * 24]), TM);
                   TO = VSUB(TL, TN);
                   TF = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                   TG = BYTW(&(W[TWVL * 8]), TF);
                   TH = LD(&(x[WS(ios, 21)]), dist, &(x[WS(ios, 1)]));
                   TI = BYTW(&(W[TWVL * 40]), TH);
                   TJ = VSUB(TG, TI);
                }
             }
             {
                V TP, TU, T2p, T2q;
                TP = VMUL(LDK(KP707106781), VSUB(TJ, TO));
                TU = VSUB(TR, TT);
                TV = VSUB(TP, TU);
                T1X = VADD(TU, TP);
                T2p = VADD(TG, TI);
                T2q = VADD(TL, TN);
                T2r = VSUB(T2p, T2q);
                T37 = VADD(T2p, T2q);
             }
             {
                V T10, T11, T2m, T2n;
                T10 = VSUB(TX, TZ);
                T11 = VMUL(LDK(KP707106781), VADD(TJ, TO));
                T12 = VSUB(T10, T11);
                T1Y = VADD(T10, T11);
                T2m = VADD(TX, TZ);
                T2n = VADD(TR, TT);
                T2o = VSUB(T2m, T2n);
                T36 = VADD(T2m, T2n);
             }
        }
        {
             V T3q, T3u, T3t, T3v;
             {
                V T3o, T3p, T3r, T3s;
                T3o = VADD(T3h, T3i);
                T3p = VADD(T3d, T3e);
                T3q = VSUB(T3o, T3p);
                T3u = VADD(T3o, T3p);
                T3r = VADD(T36, T37);
                T3s = VADD(T39, T3a);
                T3t = VBYI(VSUB(T3r, T3s));
                T3v = VADD(T3r, T3s);
             }
             ST(&(x[WS(ios, 24)]), VSUB(T3q, T3t), dist, &(x[0]));
             ST(&(x[0]), VADD(T3u, T3v), dist, &(x[0]));
             ST(&(x[WS(ios, 8)]), VADD(T3q, T3t), dist, &(x[0]));
             ST(&(x[WS(ios, 16)]), VSUB(T3u, T3v), dist, &(x[0]));
        }
        {
             V T3f, T3j, T3c, T3k, T38, T3b;
             T3f = VSUB(T3d, T3e);
             T3j = VSUB(T3h, T3i);
             T38 = VSUB(T36, T37);
             T3b = VSUB(T39, T3a);
             T3c = VMUL(LDK(KP707106781), VSUB(T38, T3b));
             T3k = VMUL(LDK(KP707106781), VADD(T38, T3b));
             {
                V T3g, T3l, T3m, T3n;
                T3g = VBYI(VSUB(T3c, T3f));
                T3l = VSUB(T3j, T3k);
                ST(&(x[WS(ios, 12)]), VADD(T3g, T3l), dist, &(x[0]));
                ST(&(x[WS(ios, 20)]), VSUB(T3l, T3g), dist, &(x[0]));
                T3m = VBYI(VADD(T3f, T3c));
                T3n = VADD(T3j, T3k);
                ST(&(x[WS(ios, 4)]), VADD(T3m, T3n), dist, &(x[0]));
                ST(&(x[WS(ios, 28)]), VSUB(T3n, T3m), dist, &(x[0]));
             }
        }
        {
             V T2L, T31, T2R, T2Y, T2A, T2Z, T2U, T32, T2H, T2Q;
             T2H = VMUL(LDK(KP707106781), VSUB(T2D, T2G));
             T2L = VSUB(T2H, T2K);
             T31 = VADD(T2K, T2H);
             T2Q = VMUL(LDK(KP707106781), VADD(T2D, T2G));
             T2R = VSUB(T2P, T2Q);
             T2Y = VADD(T2P, T2Q);
             {
                V T2s, T2z, T2S, T2T;
                T2s = VFNMS(LDK(KP382683432), T2r, VMUL(LDK(KP923879532), T2o));
                T2z = VFMA(LDK(KP923879532), T2v, VMUL(LDK(KP382683432), T2y));
                T2A = VSUB(T2s, T2z);
                T2Z = VADD(T2s, T2z);
                T2S = VFMA(LDK(KP382683432), T2o, VMUL(LDK(KP923879532), T2r));
                T2T = VFNMS(LDK(KP382683432), T2v, VMUL(LDK(KP923879532), T2y));
                T2U = VSUB(T2S, T2T);
                T32 = VADD(T2S, T2T);
             }
             {
                V T2M, T2V, T34, T35;
                T2M = VBYI(VSUB(T2A, T2L));
                T2V = VSUB(T2R, T2U);
                ST(&(x[WS(ios, 10)]), VADD(T2M, T2V), dist, &(x[0]));
                ST(&(x[WS(ios, 22)]), VSUB(T2V, T2M), dist, &(x[0]));
                T34 = VSUB(T2Y, T2Z);
                T35 = VBYI(VSUB(T32, T31));
                ST(&(x[WS(ios, 18)]), VSUB(T34, T35), dist, &(x[0]));
                ST(&(x[WS(ios, 14)]), VADD(T34, T35), dist, &(x[0]));
             }
             {
                V T2W, T2X, T30, T33;
                T2W = VBYI(VADD(T2L, T2A));
                T2X = VADD(T2R, T2U);
                ST(&(x[WS(ios, 6)]), VADD(T2W, T2X), dist, &(x[0]));
                ST(&(x[WS(ios, 26)]), VSUB(T2X, T2W), dist, &(x[0]));
                T30 = VADD(T2Y, T2Z);
                T33 = VBYI(VADD(T31, T32));
                ST(&(x[WS(ios, 30)]), VSUB(T30, T33), dist, &(x[0]));
                ST(&(x[WS(ios, 2)]), VADD(T30, T33), dist, &(x[0]));
             }
        }
        {
             V TE, T1P, T1I, T1Q, T1t, T1M, T1F, T1N;
             {
                V Tg, TD, T1G, T1H;
                Tg = VSUB(T4, Tf);
                TD = VSUB(Tr, TC);
                TE = VSUB(Tg, TD);
                T1P = VADD(Tg, TD);
                T1G = VFNMS(LDK(KP555570233), TV, VMUL(LDK(KP831469612), T12));
                T1H = VFMA(LDK(KP555570233), T1k, VMUL(LDK(KP831469612), T1r));
                T1I = VSUB(T1G, T1H);
                T1Q = VADD(T1G, T1H);
             }
             {
                V T13, T1s, T1x, T1E;
                T13 = VFMA(LDK(KP831469612), TV, VMUL(LDK(KP555570233), T12));
                T1s = VFNMS(LDK(KP555570233), T1r, VMUL(LDK(KP831469612), T1k));
                T1t = VSUB(T13, T1s);
                T1M = VADD(T13, T1s);
                T1x = VSUB(T1v, T1w);
                T1E = VSUB(T1y, T1D);
                T1F = VSUB(T1x, T1E);
                T1N = VADD(T1E, T1x);
             }
             {
                V T1u, T1J, T1S, T1T;
                T1u = VADD(TE, T1t);
                T1J = VBYI(VADD(T1F, T1I));
                ST(&(x[WS(ios, 27)]), VSUB(T1u, T1J), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 5)]), VADD(T1u, T1J), dist, &(x[WS(ios, 1)]));
                T1S = VBYI(VADD(T1N, T1M));
                T1T = VADD(T1P, T1Q);
                ST(&(x[WS(ios, 3)]), VADD(T1S, T1T), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 29)]), VSUB(T1T, T1S), dist, &(x[WS(ios, 1)]));
             }
             {
                V T1K, T1L, T1O, T1R;
                T1K = VSUB(TE, T1t);
                T1L = VBYI(VSUB(T1I, T1F));
                ST(&(x[WS(ios, 21)]), VSUB(T1K, T1L), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 11)]), VADD(T1K, T1L), dist, &(x[WS(ios, 1)]));
                T1O = VBYI(VSUB(T1M, T1N));
                T1R = VSUB(T1P, T1Q);
                ST(&(x[WS(ios, 13)]), VADD(T1O, T1R), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 19)]), VSUB(T1R, T1O), dist, &(x[WS(ios, 1)]));
             }
        }
        {
             V T1W, T2h, T2a, T2i, T23, T2e, T27, T2f;
             {
                V T1U, T1V, T28, T29;
                T1U = VADD(T4, Tf);
                T1V = VADD(T1v, T1w);
                T1W = VSUB(T1U, T1V);
                T2h = VADD(T1U, T1V);
                T28 = VFNMS(LDK(KP195090322), T1X, VMUL(LDK(KP980785280), T1Y));
                T29 = VFMA(LDK(KP195090322), T20, VMUL(LDK(KP980785280), T21));
                T2a = VSUB(T28, T29);
                T2i = VADD(T28, T29);
             }
             {
                V T1Z, T22, T25, T26;
                T1Z = VFMA(LDK(KP980785280), T1X, VMUL(LDK(KP195090322), T1Y));
                T22 = VFNMS(LDK(KP195090322), T21, VMUL(LDK(KP980785280), T20));
                T23 = VSUB(T1Z, T22);
                T2e = VADD(T1Z, T22);
                T25 = VADD(Tr, TC);
                T26 = VADD(T1D, T1y);
                T27 = VSUB(T25, T26);
                T2f = VADD(T26, T25);
             }
             {
                V T24, T2b, T2k, T2l;
                T24 = VADD(T1W, T23);
                T2b = VBYI(VADD(T27, T2a));
                ST(&(x[WS(ios, 25)]), VSUB(T24, T2b), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 7)]), VADD(T24, T2b), dist, &(x[WS(ios, 1)]));
                T2k = VBYI(VADD(T2f, T2e));
                T2l = VADD(T2h, T2i);
                ST(&(x[WS(ios, 1)]), VADD(T2k, T2l), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 31)]), VSUB(T2l, T2k), dist, &(x[WS(ios, 1)]));
             }
             {
                V T2c, T2d, T2g, T2j;
                T2c = VSUB(T1W, T23);
                T2d = VBYI(VSUB(T2a, T27));
                ST(&(x[WS(ios, 23)]), VSUB(T2c, T2d), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 9)]), VADD(T2c, T2d), dist, &(x[WS(ios, 1)]));
                T2g = VBYI(VSUB(T2e, T2f));
                T2j = VSUB(T2h, T2i);
                ST(&(x[WS(ios, 15)]), VADD(T2g, T2j), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 17)]), VSUB(T2j, T2g), dist, &(x[WS(ios, 1)]));
             }
        }
     }
     END_SIMD();
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(2),
     VTW(3),
     VTW(4),
     VTW(5),
     VTW(6),
     VTW(7),
     VTW(8),
     VTW(9),
     VTW(10),
     VTW(11),
     VTW(12),
     VTW(13),
     VTW(14),
     VTW(15),
     VTW(16),
     VTW(17),
     VTW(18),
     VTW(19),
     VTW(20),
     VTW(21),
     VTW(22),
     VTW(23),
     VTW(24),
     VTW(25),
     VTW(26),
     VTW(27),
     VTW(28),
     VTW(29),
     VTW(30),
     VTW(31),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 32, "t1bv_32", twinstr, {201, 88, 16, 0}, &GENUS, 0, 0, 0 };

void X(codelet_t1bv_32) (planner *p) {
     X(kdft_dit_register) (p, t1bv_32, &desc);
}

Generated by  Doxygen 1.6.0   Back to index