n2bv_32.c

最新的FFT程序

 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.8 2006-01-05 03:04:27 stevenj Exp $
 * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
 * $Id: gen_notw_c.ml,v 1.16 2006-01-05 03:04:27 stevenj Exp $
 */

#include "n2b.h"

static void n2bv_32(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP555570233, +0.555570233019602224742830813948532874374937191);
     DVK(KP831469612, +0.831469612302545237078788377617905756738560812);
     DVK(KP195090322, +0.195090322016128267848284868477022240927691618);
     DVK(KP980785280, +0.980785280403230449126182236134239036973933731);
     DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     const R *xi;
     R *xo;
     xi = ii;
     xo = io;
     for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
	  V T2f, T2k, T2N, T2M, T19, T1B, Tb, T1p, TT, T1v, TY, T1w, T2E, T2F, T2G;
	  V T24, T2o, TC, T1s, TH, T1t, T2B, T2C, T2D, T1X, T2n, T2I, T2J, Tq, T1A;
	  V T14, T1q, T2c, T2l;
	  {
	       V T3, T2i, T18, T2j, T6, T2d, T9, T2e, T15, Ta;
	       {
		    V T1, T2, T16, T17;
		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
		    T2 = LD(&(xi[WS(is, 16)]), ivs, &(xi[0]));
		    T3 = VSUB(T1, T2);
		    T2i = VADD(T1, T2);
		    T16 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
		    T17 = LD(&(xi[WS(is, 24)]), ivs, &(xi[0]));
		    T18 = VSUB(T16, T17);
		    T2j = VADD(T16, T17);
	       }
	       {
		    V T4, T5, T7, T8;
		    T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
		    T5 = LD(&(xi[WS(is, 20)]), ivs, &(xi[0]));
		    T6 = VSUB(T4, T5);
		    T2d = VADD(T4, T5);
		    T7 = LD(&(xi[WS(is, 28)]), ivs, &(xi[0]));
		    T8 = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
		    T9 = VSUB(T7, T8);
		    T2e = VADD(T7, T8);
	       }
	       T2f = VSUB(T2d, T2e);
	       T2k = VSUB(T2i, T2j);
	       T2N = VADD(T2d, T2e);
	       T2M = VADD(T2i, T2j);
	       T15 = VMUL(LDK(KP707106781), VSUB(T6, T9));
	       T19 = VSUB(T15, T18);
	       T1B = VADD(T18, T15);
	       Ta = VMUL(LDK(KP707106781), VADD(T6, T9));
	       Tb = VSUB(T3, Ta);
	       T1p = VADD(T3, Ta);
	  }
	  {
	       V TL, T21, TW, T1Y, TO, T22, TS, T1Z;
	       {
		    V TJ, TK, TU, TV;
		    TJ = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
		    TK = LD(&(xi[WS(is, 19)]), ivs, &(xi[WS(is, 1)]));
		    TL = VSUB(TJ, TK);
		    T21 = VADD(TJ, TK);
		    TU = LD(&(xi[WS(is, 31)]), ivs, &(xi[WS(is, 1)]));
		    TV = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
		    TW = VSUB(TU, TV);
		    T1Y = VADD(TU, TV);
	       }
	       {
		    V TM, TN, TQ, TR;
		    TM = LD(&(xi[WS(is, 27)]), ivs, &(xi[WS(is, 1)]));
		    TN = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
		    TO = VSUB(TM, TN);
		    T22 = VADD(TM, TN);
		    TQ = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
		    TR = LD(&(xi[WS(is, 23)]), ivs, &(xi[WS(is, 1)]));
		    TS = VSUB(TQ, TR);
		    T1Z = VADD(TQ, TR);
	       }
	       {
		    V TP, TX, T20, T23;
		    TP = VMUL(LDK(KP707106781), VSUB(TL, TO));
		    TT = VSUB(TP, TS);
		    T1v = VADD(TS, TP);
		    TX = VMUL(LDK(KP707106781), VADD(TL, TO));
		    TY = VSUB(TW, TX);
		    T1w = VADD(TW, TX);
		    T2E = VADD(T1Y, T1Z);
		    T2F = VADD(T21, T22);
		    T2G = VSUB(T2E, T2F);
		    T20 = VSUB(T1Y, T1Z);
		    T23 = VSUB(T21, T22);
		    T24 = VFMA(LDK(KP923879532), T20, VMUL(LDK(KP382683432), T23));
		    T2o = VFNMS(LDK(KP382683432), T20, VMUL(LDK(KP923879532), T23));
	       }
	  }
	  {
	       V Tu, T1U, TF, T1R, Tx, T1V, TB, T1S;
	       {
		    V Ts, Tt, TD, TE;
		    Ts = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
		    Tt = LD(&(xi[WS(is, 21)]), ivs, &(xi[WS(is, 1)]));
		    Tu = VSUB(Ts, Tt);
		    T1U = VADD(Ts, Tt);
		    TD = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
		    TE = LD(&(xi[WS(is, 17)]), ivs, &(xi[WS(is, 1)]));
		    TF = VSUB(TD, TE);
		    T1R = VADD(TD, TE);
	       }
	       {
		    V Tv, Tw, Tz, TA;
		    Tv = LD(&(xi[WS(is, 29)]), ivs, &(xi[WS(is, 1)]));
		    Tw = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
		    Tx = VSUB(Tv, Tw);
		    T1V = VADD(Tv, Tw);
		    Tz = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
		    TA = LD(&(xi[WS(is, 25)]), ivs, &(xi[WS(is, 1)]));
		    TB = VSUB(Tz, TA);
		    T1S = VADD(Tz, TA);
	       }
	       {
		    V Ty, TG, T1T, T1W;
		    Ty = VMUL(LDK(KP707106781), VSUB(Tu, Tx));
		    TC = VSUB(Ty, TB);
		    T1s = VADD(TB, Ty);
		    TG = VMUL(LDK(KP707106781), VADD(Tu, Tx));
		    TH = VSUB(TF, TG);
		    T1t = VADD(TF, TG);
		    T2B = VADD(T1R, T1S);
		    T2C = VADD(T1U, T1V);
		    T2D = VSUB(T2B, T2C);
		    T1T = VSUB(T1R, T1S);
		    T1W = VSUB(T1U, T1V);
		    T1X = VFNMS(LDK(KP382683432), T1W, VMUL(LDK(KP923879532), T1T));
		    T2n = VFMA(LDK(KP382683432), T1T, VMUL(LDK(KP923879532), T1W));
	       }
	  }
	  {
	       V Te, T26, To, T29, Th, T27, Tl, T2a, Ti, Tp;
	       {
		    V Tc, Td, Tm, Tn;
		    Tc = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
		    Td = LD(&(xi[WS(is, 18)]), ivs, &(xi[0]));
		    Te = VSUB(Tc, Td);
		    T26 = VADD(Tc, Td);
		    Tm = LD(&(xi[WS(is, 30)]), ivs, &(xi[0]));
		    Tn = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
		    To = VSUB(Tm, Tn);
		    T29 = VADD(Tm, Tn);
	       }
	       {
		    V Tf, Tg, Tj, Tk;
		    Tf = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
		    Tg = LD(&(xi[WS(is, 26)]), ivs, &(xi[0]));
		    Th = VSUB(Tf, Tg);
		    T27 = VADD(Tf, Tg);
		    Tj = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
		    Tk = LD(&(xi[WS(is, 22)]), ivs, &(xi[0]));
		    Tl = VSUB(Tj, Tk);
		    T2a = VADD(Tj, Tk);
	       }
	       T2I = VADD(T26, T27);
	       T2J = VADD(T29, T2a);
	       Ti = VFMA(LDK(KP382683432), Te, VMUL(LDK(KP923879532), Th));
	       Tp = VFNMS(LDK(KP382683432), To, VMUL(LDK(KP923879532), Tl));
	       Tq = VSUB(Ti, Tp);
	       T1A = VADD(Ti, Tp);
	       {
		    V T12, T13, T28, T2b;
		    T12 = VFNMS(LDK(KP382683432), Th, VMUL(LDK(KP923879532), Te));
		    T13 = VFMA(LDK(KP923879532), To, VMUL(LDK(KP382683432), Tl));
		    T14 = VSUB(T12, T13);
		    T1q = VADD(T12, T13);
		    T28 = VSUB(T26, T27);
		    T2b = VSUB(T29, T2a);
		    T2c = VMUL(LDK(KP707106781), VSUB(T28, T2b));
		    T2l = VMUL(LDK(KP707106781), VADD(T28, T2b));
	       }
	  }
	  {
	       V T31, T32, T33, T34, T35, T36, T37, T38, T39, T3a, T3b, T3c;
	       {
		    V T2L, T2R, T2Q, T2S;
		    {
			 V T2H, T2K, T2O, T2P;
			 T2H = VMUL(LDK(KP707106781), VSUB(T2D, T2G));
			 T2K = VSUB(T2I, T2J);
			 T2L = VBYI(VSUB(T2H, T2K));
			 T2R = VBYI(VADD(T2K, T2H));
			 T2O = VSUB(T2M, T2N);
			 T2P = VMUL(LDK(KP707106781), VADD(T2D, T2G));
			 T2Q = VSUB(T2O, T2P);
			 T2S = VADD(T2O, T2P);
		    }
		    T31 = VADD(T2L, T2Q);
		    STM2(&(xo[24]), T31, ovs, &(xo[0]));
		    T32 = VSUB(T2S, T2R);
		    STM2(&(xo[56]), T32, ovs, &(xo[0]));
		    T33 = VSUB(T2Q, T2L);
		    STM2(&(xo[40]), T33, ovs, &(xo[0]));
		    T34 = VADD(T2R, T2S);
		    STM2(&(xo[8]), T34, ovs, &(xo[0]));
	       }
	       {
		    V T2h, T2r, T2q, T2s;
		    {
			 V T25, T2g, T2m, T2p;
			 T25 = VSUB(T1X, T24);
			 T2g = VSUB(T2c, T2f);
			 T2h = VBYI(VSUB(T25, T2g));
			 T2r = VBYI(VADD(T2g, T25));
			 T2m = VSUB(T2k, T2l);
			 T2p = VSUB(T2n, T2o);
			 T2q = VSUB(T2m, T2p);
			 T2s = VADD(T2m, T2p);
		    }
		    T35 = VADD(T2h, T2q);
		    STM2(&(xo[20]), T35, ovs, &(xo[0]));
		    T36 = VSUB(T2s, T2r);
		    STM2(&(xo[52]), T36, ovs, &(xo[0]));
		    T37 = VSUB(T2q, T2h);
		    STM2(&(xo[44]), T37, ovs, &(xo[0]));
		    T38 = VADD(T2r, T2s);
		    STM2(&(xo[12]), T38, ovs, &(xo[0]));
	       }
	       {
		    V T2V, T2Z, T2Y, T30;
		    {
			 V T2T, T2U, T2W, T2X;
			 T2T = VADD(T2M, T2N);
			 T2U = VADD(T2I, T2J);
			 T2V = VSUB(T2T, T2U);
			 T2Z = VADD(T2T, T2U);
			 T2W = VADD(T2B, T2C);
			 T2X = VADD(T2E, T2F);
			 T2Y = VBYI(VSUB(T2W, T2X));
			 T30 = VADD(T2W, T2X);
		    }
		    T39 = VSUB(T2V, T2Y);
		    STM2(&(xo[48]), T39, ovs, &(xo[0]));
		    T3a = VADD(T2Z, T30);
		    STM2(&(xo[0]), T3a, ovs, &(xo[0]));
		    T3b = VADD(T2V, T2Y);
		    STM2(&(xo[16]), T3b, ovs, &(xo[0]));
		    T3c = VSUB(T2Z, T30);
		    STM2(&(xo[32]), T3c, ovs, &(xo[0]));
	       }
	       {
		    V T3d, T3e, T3f, T3g;
		    {
			 V T2v, T2z, T2y, T2A;
			 {
			      V T2t, T2u, T2w, T2x;
			      T2t = VADD(T2k, T2l);
			      T2u = VADD(T1X, T24);
			      T2v = VADD(T2t, T2u);
			      T2z = VSUB(T2t, T2u);
			      T2w = VADD(T2f, T2c);
			      T2x = VADD(T2n, T2o);
			      T2y = VBYI(VADD(T2w, T2x));
			      T2A = VBYI(VSUB(T2x, T2w));
			 }
			 T3d = VSUB(T2v, T2y);
			 STM2(&(xo[60]), T3d, ovs, &(xo[0]));
			 T3e = VADD(T2z, T2A);
			 STM2(&(xo[28]), T3e, ovs, &(xo[0]));
			 T3f = VADD(T2v, T2y);
			 STM2(&(xo[4]), T3f, ovs, &(xo[0]));
			 T3g = VSUB(T2z, T2A);
			 STM2(&(xo[36]), T3g, ovs, &(xo[0]));
		    }
		    {
			 V T1r, T1C, T1M, T1K, T1F, T1N, T1y, T1J;
			 T1r = VSUB(T1p, T1q);
			 T1C = VSUB(T1A, T1B);
			 T1M = VADD(T1p, T1q);
			 T1K = VADD(T1B, T1A);
			 {
			      V T1D, T1E, T1u, T1x;
			      T1D = VFNMS(LDK(KP195090322), T1s, VMUL(LDK(KP980785280), T1t));
			      T1E = VFMA(LDK(KP195090322), T1v, VMUL(LDK(KP980785280), T1w));
			      T1F = VSUB(T1D, T1E);
			      T1N = VADD(T1D, T1E);
			      T1u = VFMA(LDK(KP980785280), T1s, VMUL(LDK(KP195090322), T1t));
			      T1x = VFNMS(LDK(KP195090322), T1w, VMUL(LDK(KP980785280), T1v));
			      T1y = VSUB(T1u, T1x);
			      T1J = VADD(T1u, T1x);
			 }
			 {
			      V T1z, T1G, T3h, T3i;
			      T1z = VADD(T1r, T1y);
			      T1G = VBYI(VADD(T1C, T1F));
			      T3h = VSUB(T1z, T1G);
			      STM2(&(xo[50]), T3h, ovs, &(xo[2]));
			      STN2(&(xo[48]), T39, T3h, ovs);
			      T3i = VADD(T1z, T1G);
			      STM2(&(xo[14]), T3i, ovs, &(xo[2]));
			      STN2(&(xo[12]), T38, T3i, ovs);
			 }
			 {
			      V T1P, T1Q, T3j, T3k;
			      T1P = VBYI(VADD(T1K, T1J));
			      T1Q = VADD(T1M, T1N);
			      T3j = VADD(T1P, T1Q);
			      STM2(&(xo[2]), T3j, ovs, &(xo[2]));
			      STN2(&(xo[0]), T3a, T3j, ovs);
			      T3k = VSUB(T1Q, T1P);
			      STM2(&(xo[62]), T3k, ovs, &(xo[2]));
			      STN2(&(xo[60]), T3d, T3k, ovs);
			 }
			 {
			      V T1H, T1I, T3l, T3m;
			      T1H = VSUB(T1r, T1y);
			      T1I = VBYI(VSUB(T1F, T1C));
			      T3l = VSUB(T1H, T1I);
			      STM2(&(xo[46]), T3l, ovs, &(xo[2]));
			      STN2(&(xo[44]), T37, T3l, ovs);
			      T3m = VADD(T1H, T1I);
			      STM2(&(xo[18]), T3m, ovs, &(xo[2]));
			      STN2(&(xo[16]), T3b, T3m, ovs);
			 }
			 {
			      V T1L, T1O, T3n, T3o;
			      T1L = VBYI(VSUB(T1J, T1K));
			      T1O = VSUB(T1M, T1N);
			      T3n = VADD(T1L, T1O);
			      STM2(&(xo[30]), T3n, ovs, &(xo[2]));
			      STN2(&(xo[28]), T3e, T3n, ovs);
			      T3o = VSUB(T1O, T1L);
			      STM2(&(xo[34]), T3o, ovs, &(xo[2]));
			      STN2(&(xo[32]), T3c, T3o, ovs);
			 }
		    }
		    {
			 V Tr, T1a, T1k, T1i, T1d, T1l, T10, T1h;
			 Tr = VSUB(Tb, Tq);
			 T1a = VSUB(T14, T19);
			 T1k = VADD(Tb, Tq);
			 T1i = VADD(T19, T14);
			 {
			      V T1b, T1c, TI, TZ;
			      T1b = VFNMS(LDK(KP555570233), TC, VMUL(LDK(KP831469612), TH));
			      T1c = VFMA(LDK(KP555570233), TT, VMUL(LDK(KP831469612), TY));
			      T1d = VSUB(T1b, T1c);
			      T1l = VADD(T1b, T1c);
			      TI = VFMA(LDK(KP831469612), TC, VMUL(LDK(KP555570233), TH));
			      TZ = VFNMS(LDK(KP555570233), TY, VMUL(LDK(KP831469612), TT));
			      T10 = VSUB(TI, TZ);
			      T1h = VADD(TI, TZ);
			 }
			 {
			      V T11, T1e, T3p, T3q;
			      T11 = VADD(Tr, T10);
			      T1e = VBYI(VADD(T1a, T1d));
			      T3p = VSUB(T11, T1e);
			      STM2(&(xo[54]), T3p, ovs, &(xo[2]));
			      STN2(&(xo[52]), T36, T3p, ovs);
			      T3q = VADD(T11, T1e);
			      STM2(&(xo[10]), T3q, ovs, &(xo[2]));
			      STN2(&(xo[8]), T34, T3q, ovs);
			 }
			 {
			      V T1n, T1o, T3r, T3s;
			      T1n = VBYI(VADD(T1i, T1h));
			      T1o = VADD(T1k, T1l);
			      T3r = VADD(T1n, T1o);
			      STM2(&(xo[6]), T3r, ovs, &(xo[2]));
			      STN2(&(xo[4]), T3f, T3r, ovs);
			      T3s = VSUB(T1o, T1n);
			      STM2(&(xo[58]), T3s, ovs, &(xo[2]));
			      STN2(&(xo[56]), T32, T3s, ovs);
			 }
			 {
			      V T1f, T1g, T3t, T3u;
			      T1f = VSUB(Tr, T10);
			      T1g = VBYI(VSUB(T1d, T1a));
			      T3t = VSUB(T1f, T1g);
			      STM2(&(xo[42]), T3t, ovs, &(xo[2]));
			      STN2(&(xo[40]), T33, T3t, ovs);
			      T3u = VADD(T1f, T1g);
			      STM2(&(xo[22]), T3u, ovs, &(xo[2]));
			      STN2(&(xo[20]), T35, T3u, ovs);
			 }
			 {
			      V T1j, T1m, T3v, T3w;
			      T1j = VBYI(VSUB(T1h, T1i));
			      T1m = VSUB(T1k, T1l);
			      T3v = VADD(T1j, T1m);
			      STM2(&(xo[26]), T3v, ovs, &(xo[2]));
			      STN2(&(xo[24]), T31, T3v, ovs);
			      T3w = VSUB(T1m, T1j);
			      STM2(&(xo[38]), T3w, ovs, &(xo[2]));
			      STN2(&(xo[36]), T3g, T3w, ovs);
			 }
		    }
	       }
	  }
     }
}

static const kdft_desc desc = { 32, "n2bv_32", {170, 26, 16, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_32) (planner *p) {
     X(kdft_register) (p, n2bv_32, &desc);
}

#endif				/* HAVE_FMA */