t3fv_10.c

用于DFT计算的c语言的库的最新版本,包含丰富的函数库.

/*
 * Copyright (c) 2003, 2007-8 Matteo Frigo
 * Copyright (c) 2003, 2007-8 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 Mon Feb  9 19:52:59 EST 2009 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twiddle_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 10 -name t3fv_10 -include t3f.h */

/*
 * This function contains 57 FP additions, 52 FP multiplications,
 * (or, 39 additions, 34 multiplications, 18 fused multiply/add),
 * 57 stack variables, 4 constants, and 20 memory accesses
 */
#include "t3f.h"

static void t3fv_10(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     INT m;
     R *x;
     x = ri;
     for (m = mb, W = W + (mb * ((TWVL / VL) * 6)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(rs)) {
	  V T1, T7, Th, Tx, Tr, Td, Tp, T6, Tv, Tc, Te, Ti, Tl, T2, T3;
	  V T5;
	  T2 = LDW(&(W[0]));
	  T3 = LDW(&(W[TWVL * 2]));
	  T5 = LDW(&(W[TWVL * 4]));
	  T1 = LD(&(x[0]), ms, &(x[0]));
	  T7 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
	  {
	       V To, Tw, Tq, Tu, Ta, T4, Tt, Tk, Tb;
	       To = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
	       Tw = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
	       Tq = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
	       Tu = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
	       Ta = VZMULJ(T2, T3);
	       T4 = VZMUL(T2, T3);
	       Th = VZMULJ(T2, T5);
	       Tt = VZMULJ(T3, T5);
	       Tb = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
	       Tx = VZMULJ(T2, Tw);
	       Tr = VZMULJ(T5, Tq);
	       Tk = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
	       Td = VZMULJ(Ta, T5);
	       Tp = VZMULJ(T4, To);
	       T6 = VZMULJ(T4, T5);
	       Tv = VZMULJ(Tt, Tu);
	       Tc = VZMULJ(Ta, Tb);
	       Te = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
	       Ti = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
	       Tl = VZMULJ(T3, Tk);
	  }
	  {
	       V TN, Ts, T8, Ty, TO, Tf, Tj;
	       TN = VADD(Tp, Tr);
	       Ts = VSUB(Tp, Tr);
	       T8 = VZMULJ(T6, T7);
	       Ty = VSUB(Tv, Tx);
	       TO = VADD(Tv, Tx);
	       Tf = VZMULJ(Td, Te);
	       Tj = VZMULJ(Th, Ti);
	       {
		    V T9, TJ, TP, TU, Tz, TF, Tg, TK, Tm, TL;
		    T9 = VSUB(T1, T8);
		    TJ = VADD(T1, T8);
		    TP = VADD(TN, TO);
		    TU = VSUB(TN, TO);
		    Tz = VADD(Ts, Ty);
		    TF = VSUB(Ts, Ty);
		    Tg = VSUB(Tc, Tf);
		    TK = VADD(Tc, Tf);
		    Tm = VSUB(Tj, Tl);
		    TL = VADD(Tj, Tl);
		    {
			 V TM, TV, Tn, TE;
			 TM = VADD(TK, TL);
			 TV = VSUB(TK, TL);
			 Tn = VADD(Tg, Tm);
			 TE = VSUB(Tg, Tm);
			 {
			      V TW, TY, TS, TQ, TG, TI, TC, TA, TR, TB;
			      TW = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TV, TU));
			      TY = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TU, TV));
			      TS = VSUB(TM, TP);
			      TQ = VADD(TM, TP);
			      TG = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TF, TE));
			      TI = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TE, TF));
			      TC = VSUB(Tn, Tz);
			      TA = VADD(Tn, Tz);
			      ST(&(x[0]), VADD(TJ, TQ), ms, &(x[0]));
			      TR = VFNMS(LDK(KP250000000), TQ, TJ);
			      ST(&(x[WS(rs, 5)]), VADD(T9, TA), ms, &(x[WS(rs, 1)]));
			      TB = VFNMS(LDK(KP250000000), TA, T9);
			      {
				   V TX, TT, TH, TD;
				   TX = VFMA(LDK(KP559016994), TS, TR);
				   TT = VFNMS(LDK(KP559016994), TS, TR);
				   TH = VFNMS(LDK(KP559016994), TC, TB);
				   TD = VFMA(LDK(KP559016994), TC, TB);
				   ST(&(x[WS(rs, 8)]), VFNMSI(TW, TT), ms, &(x[0]));
				   ST(&(x[WS(rs, 2)]), VFMAI(TW, TT), ms, &(x[0]));
				   ST(&(x[WS(rs, 6)]), VFNMSI(TY, TX), ms, &(x[0]));
				   ST(&(x[WS(rs, 4)]), VFMAI(TY, TX), ms, &(x[0]));
				   ST(&(x[WS(rs, 9)]), VFMAI(TG, TD), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 1)]), VFNMSI(TG, TD), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 7)]), VFMAI(TI, TH), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 3)]), VFNMSI(TI, TH), ms, &(x[WS(rs, 1)]));
			      }
			 }
		    }
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     VTW(0, 1),
     VTW(0, 3),
     VTW(0, 9),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 10, "t3fv_10", twinstr, &GENUS, {39, 34, 18, 0}, 0, 0, 0 };

void X(codelet_t3fv_10) (planner *p) {
     X(kdft_dit_register) (p, t3fv_10, &desc);
}
#else				/* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 10 -name t3fv_10 -include t3f.h */

/*
 * This function contains 57 FP additions, 42 FP multiplications,
 * (or, 51 additions, 36 multiplications, 6 fused multiply/add),
 * 41 stack variables, 4 constants, and 20 memory accesses
 */
#include "t3f.h"

static void t3fv_10(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     INT m;
     R *x;
     x = ri;
     for (m = mb, W = W + (mb * ((TWVL / VL) * 6)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(rs)) {
	  V T1, T2, T3, Ti, T6, T7, Tx, Tb, To;
	  T1 = LDW(&(W[0]));
	  T2 = LDW(&(W[TWVL * 2]));
	  T3 = VZMULJ(T1, T2);
	  Ti = VZMUL(T1, T2);
	  T6 = LDW(&(W[TWVL * 4]));
	  T7 = VZMULJ(T3, T6);
	  Tx = VZMULJ(Ti, T6);
	  Tb = VZMULJ(T1, T6);
	  To = VZMULJ(T2, T6);
	  {
	       V TA, TQ, Tn, Tt, Tu, TJ, TK, TS, Ta, Tg, Th, TM, TN, TR, Tw;
	       V Tz, Ty;
	       Tw = LD(&(x[0]), ms, &(x[0]));
	       Ty = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
	       Tz = VZMULJ(Tx, Ty);
	       TA = VSUB(Tw, Tz);
	       TQ = VADD(Tw, Tz);
	       {
		    V Tk, Ts, Tm, Tq;
		    {
			 V Tj, Tr, Tl, Tp;
			 Tj = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
			 Tk = VZMULJ(Ti, Tj);
			 Tr = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
			 Ts = VZMULJ(T1, Tr);
			 Tl = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
			 Tm = VZMULJ(T6, Tl);
			 Tp = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
			 Tq = VZMULJ(To, Tp);
		    }
		    Tn = VSUB(Tk, Tm);
		    Tt = VSUB(Tq, Ts);
		    Tu = VADD(Tn, Tt);
		    TJ = VADD(Tk, Tm);
		    TK = VADD(Tq, Ts);
		    TS = VADD(TJ, TK);
	       }
	       {
		    V T5, Tf, T9, Td;
		    {
			 V T4, Te, T8, Tc;
			 T4 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
			 T5 = VZMULJ(T3, T4);
			 Te = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
			 Tf = VZMULJ(T2, Te);
			 T8 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
			 T9 = VZMULJ(T7, T8);
			 Tc = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
			 Td = VZMULJ(Tb, Tc);
		    }
		    Ta = VSUB(T5, T9);
		    Tg = VSUB(Td, Tf);
		    Th = VADD(Ta, Tg);
		    TM = VADD(T5, T9);
		    TN = VADD(Td, Tf);
		    TR = VADD(TM, TN);
	       }
	       {
		    V Tv, TB, TC, TG, TI, TE, TF, TH, TD;
		    Tv = VMUL(LDK(KP559016994), VSUB(Th, Tu));
		    TB = VADD(Th, Tu);
		    TC = VFNMS(LDK(KP250000000), TB, TA);
		    TE = VSUB(Ta, Tg);
		    TF = VSUB(Tn, Tt);
		    TG = VBYI(VFMA(LDK(KP951056516), TE, VMUL(LDK(KP587785252), TF)));
		    TI = VBYI(VFNMS(LDK(KP587785252), TE, VMUL(LDK(KP951056516), TF)));
		    ST(&(x[WS(rs, 5)]), VADD(TA, TB), ms, &(x[WS(rs, 1)]));
		    TH = VSUB(TC, Tv);
		    ST(&(x[WS(rs, 3)]), VSUB(TH, TI), ms, &(x[WS(rs, 1)]));
		    ST(&(x[WS(rs, 7)]), VADD(TI, TH), ms, &(x[WS(rs, 1)]));
		    TD = VADD(Tv, TC);
		    ST(&(x[WS(rs, 1)]), VSUB(TD, TG), ms, &(x[WS(rs, 1)]));
		    ST(&(x[WS(rs, 9)]), VADD(TG, TD), ms, &(x[WS(rs, 1)]));
	       }
	       {
		    V TV, TT, TU, TP, TX, TL, TO, TY, TW;
		    TV = VMUL(LDK(KP559016994), VSUB(TR, TS));
		    TT = VADD(TR, TS);
		    TU = VFNMS(LDK(KP250000000), TT, TQ);
		    TL = VSUB(TJ, TK);
		    TO = VSUB(TM, TN);
		    TP = VBYI(VFNMS(LDK(KP587785252), TO, VMUL(LDK(KP951056516), TL)));
		    TX = VBYI(VFMA(LDK(KP951056516), TO, VMUL(LDK(KP587785252), TL)));
		    ST(&(x[0]), VADD(TQ, TT), ms, &(x[0]));
		    TY = VADD(TV, TU);
		    ST(&(x[WS(rs, 4)]), VADD(TX, TY), ms, &(x[0]));
		    ST(&(x[WS(rs, 6)]), VSUB(TY, TX), ms, &(x[0]));
		    TW = VSUB(TU, TV);
		    ST(&(x[WS(rs, 2)]), VADD(TP, TW), ms, &(x[0]));
		    ST(&(x[WS(rs, 8)]), VSUB(TW, TP), ms, &(x[0]));
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     VTW(0, 1),
     VTW(0, 3),
     VTW(0, 9),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 10, "t3fv_10", twinstr, &GENUS, {51, 36, 6, 0}, 0, 0, 0 };

void X(codelet_t3fv_10) (planner *p) {
     X(kdft_dit_register) (p, t3fv_10, &desc);
}
#endif				/* HAVE_FMA */