q1fv_8.c

fftw-3.0.1

/*
 * 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 21:44:46 EDT 2003 */

#include "codelet-dft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twidsq_c -simd -compact -variables 4 -n 8 -dif -name q1fv_8 -include q1f.h */

/*
 * This function contains 264 FP additions, 128 FP multiplications,
 * (or, 264 additions, 128 multiplications, 0 fused multiply/add),
 * 77 stack variables, and 128 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_twidsq_c.ml,v 1.1 2003/03/26 12:45:03 athena Exp $
 */

#include "q1f.h"

static const R *q1fv_8(R *ri, R *ii, const R *W, stride is, stride vs, int m, int dist)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     int i;
     R *x;
     x = ri;
     BEGIN_SIMD();
     for (i = 0; i < m; i = i + VL, x = x + (VL * dist), W = W + (TWVL * 14)) {
	  V T3, Tu, Tf, Tp, T1E, T25, T1Q, T20, T2b, T2C, T2n, T2x, T3M, T4d, T3Y;
	  V T48, TA, T11, TM, TW, T17, T1y, T1j, T1t, T2I, T39, T2U, T34, T3f, T3G;
	  V T3r, T3B, Ta, Tv, Tc, Ts, T1L, T26, T1N, T23, T2i, T2D, T2k, T2A, T3T;
	  V T4e, T3V, T4b, TH, T12, TJ, TZ, T1e, T1z, T1g, T1w, T2P, T3a, T2R, T37;
	  V T3m, T3H, T3o, T3E, T28, T14;
	  {
	       V T1, T2, Tn, Td, Te, To;
	       T1 = LD(&(x[0]), dist, &(x[0]));
	       T2 = LD(&(x[WS(is, 4)]), dist, &(x[0]));
	       Tn = VADD(T1, T2);
	       Td = LD(&(x[WS(is, 2)]), dist, &(x[0]));
	       Te = LD(&(x[WS(is, 6)]), dist, &(x[0]));
	       To = VADD(Td, Te);
	       T3 = VSUB(T1, T2);
	       Tu = VSUB(Tn, To);
	       Tf = VSUB(Td, Te);
	       Tp = VADD(Tn, To);
	  }
	  {
	       V T1C, T1D, T1Y, T1O, T1P, T1Z;
	       T1C = LD(&(x[WS(vs, 3)]), dist, &(x[WS(vs, 3)]));
	       T1D = LD(&(x[WS(vs, 3) + WS(is, 4)]), dist, &(x[WS(vs, 3)]));
	       T1Y = VADD(T1C, T1D);
	       T1O = LD(&(x[WS(vs, 3) + WS(is, 2)]), dist, &(x[WS(vs, 3)]));
	       T1P = LD(&(x[WS(vs, 3) + WS(is, 6)]), dist, &(x[WS(vs, 3)]));
	       T1Z = VADD(T1O, T1P);
	       T1E = VSUB(T1C, T1D);
	       T25 = VSUB(T1Y, T1Z);
	       T1Q = VSUB(T1O, T1P);
	       T20 = VADD(T1Y, T1Z);
	  }
	  {
	       V T29, T2a, T2v, T2l, T2m, T2w;
	       T29 = LD(&(x[WS(vs, 4)]), dist, &(x[WS(vs, 4)]));
	       T2a = LD(&(x[WS(vs, 4) + WS(is, 4)]), dist, &(x[WS(vs, 4)]));
	       T2v = VADD(T29, T2a);
	       T2l = LD(&(x[WS(vs, 4) + WS(is, 2)]), dist, &(x[WS(vs, 4)]));
	       T2m = LD(&(x[WS(vs, 4) + WS(is, 6)]), dist, &(x[WS(vs, 4)]));
	       T2w = VADD(T2l, T2m);
	       T2b = VSUB(T29, T2a);
	       T2C = VSUB(T2v, T2w);
	       T2n = VSUB(T2l, T2m);
	       T2x = VADD(T2v, T2w);
	  }
	  {
	       V T3K, T3L, T46, T3W, T3X, T47;
	       T3K = LD(&(x[WS(vs, 7)]), dist, &(x[WS(vs, 7)]));
	       T3L = LD(&(x[WS(vs, 7) + WS(is, 4)]), dist, &(x[WS(vs, 7)]));
	       T46 = VADD(T3K, T3L);
	       T3W = LD(&(x[WS(vs, 7) + WS(is, 2)]), dist, &(x[WS(vs, 7)]));
	       T3X = LD(&(x[WS(vs, 7) + WS(is, 6)]), dist, &(x[WS(vs, 7)]));
	       T47 = VADD(T3W, T3X);
	       T3M = VSUB(T3K, T3L);
	       T4d = VSUB(T46, T47);
	       T3Y = VSUB(T3W, T3X);
	       T48 = VADD(T46, T47);
	  }
	  {
	       V Ty, Tz, TU, TK, TL, TV;
	       Ty = LD(&(x[WS(vs, 1)]), dist, &(x[WS(vs, 1)]));
	       Tz = LD(&(x[WS(vs, 1) + WS(is, 4)]), dist, &(x[WS(vs, 1)]));
	       TU = VADD(Ty, Tz);
	       TK = LD(&(x[WS(vs, 1) + WS(is, 2)]), dist, &(x[WS(vs, 1)]));
	       TL = LD(&(x[WS(vs, 1) + WS(is, 6)]), dist, &(x[WS(vs, 1)]));
	       TV = VADD(TK, TL);
	       TA = VSUB(Ty, Tz);
	       T11 = VSUB(TU, TV);
	       TM = VSUB(TK, TL);
	       TW = VADD(TU, TV);
	  }
	  {
	       V T15, T16, T1r, T1h, T1i, T1s;
	       T15 = LD(&(x[WS(vs, 2)]), dist, &(x[WS(vs, 2)]));
	       T16 = LD(&(x[WS(vs, 2) + WS(is, 4)]), dist, &(x[WS(vs, 2)]));
	       T1r = VADD(T15, T16);
	       T1h = LD(&(x[WS(vs, 2) + WS(is, 2)]), dist, &(x[WS(vs, 2)]));
	       T1i = LD(&(x[WS(vs, 2) + WS(is, 6)]), dist, &(x[WS(vs, 2)]));
	       T1s = VADD(T1h, T1i);
	       T17 = VSUB(T15, T16);
	       T1y = VSUB(T1r, T1s);
	       T1j = VSUB(T1h, T1i);
	       T1t = VADD(T1r, T1s);
	  }
	  {
	       V T2G, T2H, T32, T2S, T2T, T33;
	       T2G = LD(&(x[WS(vs, 5)]), dist, &(x[WS(vs, 5)]));
	       T2H = LD(&(x[WS(vs, 5) + WS(is, 4)]), dist, &(x[WS(vs, 5)]));
	       T32 = VADD(T2G, T2H);
	       T2S = LD(&(x[WS(vs, 5) + WS(is, 2)]), dist, &(x[WS(vs, 5)]));
	       T2T = LD(&(x[WS(vs, 5) + WS(is, 6)]), dist, &(x[WS(vs, 5)]));
	       T33 = VADD(T2S, T2T);
	       T2I = VSUB(T2G, T2H);
	       T39 = VSUB(T32, T33);
	       T2U = VSUB(T2S, T2T);
	       T34 = VADD(T32, T33);
	  }
	  {
	       V T3d, T3e, T3z, T3p, T3q, T3A;
	       T3d = LD(&(x[WS(vs, 6)]), dist, &(x[WS(vs, 6)]));
	       T3e = LD(&(x[WS(vs, 6) + WS(is, 4)]), dist, &(x[WS(vs, 6)]));
	       T3z = VADD(T3d, T3e);
	       T3p = LD(&(x[WS(vs, 6) + WS(is, 2)]), dist, &(x[WS(vs, 6)]));
	       T3q = LD(&(x[WS(vs, 6) + WS(is, 6)]), dist, &(x[WS(vs, 6)]));
	       T3A = VADD(T3p, T3q);
	       T3f = VSUB(T3d, T3e);
	       T3G = VSUB(T3z, T3A);
	       T3r = VSUB(T3p, T3q);
	       T3B = VADD(T3z, T3A);
	  }
	  {
	       V T6, Tq, T9, Tr;
	       {
		    V T4, T5, T7, T8;
		    T4 = LD(&(x[WS(is, 1)]), dist, &(x[WS(is, 1)]));
		    T5 = LD(&(x[WS(is, 5)]), dist, &(x[WS(is, 1)]));
		    T6 = VSUB(T4, T5);
		    Tq = VADD(T4, T5);
		    T7 = LD(&(x[WS(is, 7)]), dist, &(x[WS(is, 1)]));
		    T8 = LD(&(x[WS(is, 3)]), dist, &(x[WS(is, 1)]));
		    T9 = VSUB(T7, T8);
		    Tr = VADD(T7, T8);
	       }
	       Ta = VMUL(LDK(KP707106781), VADD(T6, T9));
	       Tv = VBYI(VSUB(Tr, Tq));
	       Tc = VMUL(LDK(KP707106781), VSUB(T9, T6));
	       Ts = VADD(Tq, Tr);
	  }
	  {
	       V T1H, T21, T1K, T22;
	       {
		    V T1F, T1G, T1I, T1J;
		    T1F = LD(&(x[WS(vs, 3) + WS(is, 1)]), dist, &(x[WS(vs, 3) + WS(is, 1)]));
		    T1G = LD(&(x[WS(vs, 3) + WS(is, 5)]), dist, &(x[WS(vs, 3) + WS(is, 1)]));
		    T1H = VSUB(T1F, T1G);
		    T21 = VADD(T1F, T1G);
		    T1I = LD(&(x[WS(vs, 3) + WS(is, 7)]), dist, &(x[WS(vs, 3) + WS(is, 1)]));
		    T1J = LD(&(x[WS(vs, 3) + WS(is, 3)]), dist, &(x[WS(vs, 3) + WS(is, 1)]));
		    T1K = VSUB(T1I, T1J);
		    T22 = VADD(T1I, T1J);
	       }
	       T1L = VMUL(LDK(KP707106781), VADD(T1H, T1K));
	       T26 = VBYI(VSUB(T22, T21));
	       T1N = VMUL(LDK(KP707106781), VSUB(T1K, T1H));
	       T23 = VADD(T21, T22);
	  }
	  {
	       V T2e, T2y, T2h, T2z;
	       {
		    V T2c, T2d, T2f, T2g;
		    T2c = LD(&(x[WS(vs, 4) + WS(is, 1)]), dist, &(x[WS(vs, 4) + WS(is, 1)]));
		    T2d = LD(&(x[WS(vs, 4) + WS(is, 5)]), dist, &(x[WS(vs, 4) + WS(is, 1)]));
		    T2e = VSUB(T2c, T2d);
		    T2y = VADD(T2c, T2d);
		    T2f = LD(&(x[WS(vs, 4) + WS(is, 7)]), dist, &(x[WS(vs, 4) + WS(is, 1)]));
		    T2g = LD(&(x[WS(vs, 4) + WS(is, 3)]), dist, &(x[WS(vs, 4) + WS(is, 1)]));
		    T2h = VSUB(T2f, T2g);
		    T2z = VADD(T2f, T2g);
	       }
	       T2i = VMUL(LDK(KP707106781), VADD(T2e, T2h));
	       T2D = VBYI(VSUB(T2z, T2y));
	       T2k = VMUL(LDK(KP707106781), VSUB(T2h, T2e));
	       T2A = VADD(T2y, T2z);
	  }
	  {
	       V T3P, T49, T3S, T4a;
	       {
		    V T3N, T3O, T3Q, T3R;
		    T3N = LD(&(x[WS(vs, 7) + WS(is, 1)]), dist, &(x[WS(vs, 7) + WS(is, 1)]));
		    T3O = LD(&(x[WS(vs, 7) + WS(is, 5)]), dist, &(x[WS(vs, 7) + WS(is, 1)]));
		    T3P = VSUB(T3N, T3O);
		    T49 = VADD(T3N, T3O);
		    T3Q = LD(&(x[WS(vs, 7) + WS(is, 7)]), dist, &(x[WS(vs, 7) + WS(is, 1)]));
		    T3R = LD(&(x[WS(vs, 7) + WS(is, 3)]), dist, &(x[WS(vs, 7) + WS(is, 1)]));
		    T3S = VSUB(T3Q, T3R);
		    T4a = VADD(T3Q, T3R);
	       }
	       T3T = VMUL(LDK(KP707106781), VADD(T3P, T3S));
	       T4e = VBYI(VSUB(T4a, T49));
	       T3V = VMUL(LDK(KP707106781), VSUB(T3S, T3P));
	       T4b = VADD(T49, T4a);
	  }
	  {
	       V TD, TX, TG, TY;
	       {
		    V TB, TC, TE, TF;
		    TB = LD(&(x[WS(vs, 1) + WS(is, 1)]), dist, &(x[WS(vs, 1) + WS(is, 1)]));
		    TC = LD(&(x[WS(vs, 1) + WS(is, 5)]), dist, &(x[WS(vs, 1) + WS(is, 1)]));
		    TD = VSUB(TB, TC);
		    TX = VADD(TB, TC);
		    TE = LD(&(x[WS(vs, 1) + WS(is, 7)]), dist, &(x[WS(vs, 1) + WS(is, 1)]));
		    TF = LD(&(x[WS(vs, 1) + WS(is, 3)]), dist, &(x[WS(vs, 1) + WS(is, 1)]));
		    TG = VSUB(TE, TF);
		    TY = VADD(TE, TF);
	       }
	       TH = VMUL(LDK(KP707106781), VADD(TD, TG));
	       T12 = VBYI(VSUB(TY, TX));
	       TJ = VMUL(LDK(KP707106781), VSUB(TG, TD));
	       TZ = VADD(TX, TY);
	  }
	  {
	       V T1a, T1u, T1d, T1v;
	       {
		    V T18, T19, T1b, T1c;
		    T18 = LD(&(x[WS(vs, 2) + WS(is, 1)]), dist, &(x[WS(vs, 2) + WS(is, 1)]));
		    T19 = LD(&(x[WS(vs, 2) + WS(is, 5)]), dist, &(x[WS(vs, 2) + WS(is, 1)]));
		    T1a = VSUB(T18, T19);
		    T1u = VADD(T18, T19);
		    T1b = LD(&(x[WS(vs, 2) + WS(is, 7)]), dist, &(x[WS(vs, 2) + WS(is, 1)]));
		    T1c = LD(&(x[WS(vs, 2) + WS(is, 3)]), dist, &(x[WS(vs, 2) + WS(is, 1)]));
		    T1d = VSUB(T1b, T1c);
		    T1v = VADD(T1b, T1c);
	       }
	       T1e = VMUL(LDK(KP707106781), VADD(T1a, T1d));
	       T1z = VBYI(VSUB(T1v, T1u));
	       T1g = VMUL(LDK(KP707106781), VSUB(T1d, T1a));
	       T1w = VADD(T1u, T1v);
	  }
	  {
	       V T2L, T35, T2O, T36;