t1buv_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 19:53:05 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 -n 10 -name t1buv_10 -include t1bu.h -sign 1 */

/*
 * This function contains 51 FP additions, 40 FP multiplications,
 * (or, 33 additions, 22 multiplications, 18 fused multiply/add),
 * 43 stack variables, 4 constants, and 20 memory accesses
 */
#include "t1bu.h"

static void t1buv_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 = ii;
     for (m = mb, W = W + (mb * ((TWVL / VL) * 18)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(rs)) {
	  V Td, TA, T4, Ta, Tk, TE, Tp, TF, TB, T9, T1, T2, Tb;
	  T1 = LD(&(x[0]), ms, &(x[0]));
	  T2 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
	  {
	       V Tg, Tn, Ti, Tl;
	       Tg = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
	       Tn = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
	       Ti = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
	       Tl = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
	       {
		    V T6, T8, T5, Tc;
		    T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
		    Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
		    {
			 V T3, Th, To, Tj, Tm, T7;
			 T7 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
			 T3 = BYTW(&(W[TWVL * 8]), T2);
			 Th = BYTW(&(W[TWVL * 6]), Tg);
			 To = BYTW(&(W[0]), Tn);
			 Tj = BYTW(&(W[TWVL * 16]), Ti);
			 Tm = BYTW(&(W[TWVL * 10]), Tl);
			 T6 = BYTW(&(W[TWVL * 2]), T5);
			 Td = BYTW(&(W[TWVL * 4]), Tc);
			 T8 = BYTW(&(W[TWVL * 12]), T7);
			 TA = VADD(T1, T3);
			 T4 = VSUB(T1, T3);
			 Ta = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
			 Tk = VSUB(Th, Tj);
			 TE = VADD(Th, Tj);
			 Tp = VSUB(Tm, To);
			 TF = VADD(Tm, To);
		    }
		    TB = VADD(T6, T8);
		    T9 = VSUB(T6, T8);
	       }
	  }
	  Tb = BYTW(&(W[TWVL * 14]), Ta);
	  {
	       V TL, TG, Tw, Tq, TC, Te;
	       TL = VSUB(TE, TF);
	       TG = VADD(TE, TF);
	       Tw = VSUB(Tk, Tp);
	       Tq = VADD(Tk, Tp);
	       TC = VADD(Tb, Td);
	       Te = VSUB(Tb, Td);
	       {
		    V TM, TD, Tv, Tf;
		    TM = VSUB(TB, TC);
		    TD = VADD(TB, TC);
		    Tv = VSUB(T9, Te);
		    Tf = VADD(T9, Te);
		    {
			 V TP, TN, TH, TJ, Tz, Tx, Tr, Tt, TI, Ts;
			 TP = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TL, TM));
			 TN = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TM, TL));
			 TH = VADD(TD, TG);
			 TJ = VSUB(TD, TG);
			 Tz = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tv, Tw));
			 Tx = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Tw, Tv));
			 Tr = VADD(Tf, Tq);
			 Tt = VSUB(Tf, Tq);
			 ST(&(x[0]), VADD(TA, TH), ms, &(x[0]));
			 TI = VFNMS(LDK(KP250000000), TH, TA);
			 ST(&(x[WS(rs, 5)]), VADD(T4, Tr), ms, &(x[WS(rs, 1)]));
			 Ts = VFNMS(LDK(KP250000000), Tr, T4);
			 {
			      V TK, TO, Tu, Ty;
			      TK = VFNMS(LDK(KP559016994), TJ, TI);
			      TO = VFMA(LDK(KP559016994), TJ, TI);
			      Tu = VFMA(LDK(KP559016994), Tt, Ts);
			      Ty = VFNMS(LDK(KP559016994), Tt, Ts);
			      ST(&(x[WS(rs, 8)]), VFMAI(TN, TK), ms, &(x[0]));
			      ST(&(x[WS(rs, 2)]), VFNMSI(TN, TK), ms, &(x[0]));
			      ST(&(x[WS(rs, 6)]), VFMAI(TP, TO), ms, &(x[0]));
			      ST(&(x[WS(rs, 4)]), VFNMSI(TP, TO), ms, &(x[0]));
			      ST(&(x[WS(rs, 9)]), VFNMSI(Tx, Tu), ms, &(x[WS(rs, 1)]));
			      ST(&(x[WS(rs, 1)]), VFMAI(Tx, Tu), ms, &(x[WS(rs, 1)]));
			      ST(&(x[WS(rs, 7)]), VFNMSI(Tz, Ty), ms, &(x[WS(rs, 1)]));
			      ST(&(x[WS(rs, 3)]), VFMAI(Tz, Ty), ms, &(x[WS(rs, 1)]));
			 }
		    }
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     VTW(0, 1),
     VTW(0, 2),
     VTW(0, 3),
     VTW(0, 4),
     VTW(0, 5),
     VTW(0, 6),
     VTW(0, 7),
     VTW(0, 8),
     VTW(0, 9),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 10, "t1buv_10", twinstr, &GENUS, {33, 22, 18, 0}, 0, 0, 0 };

void X(codelet_t1buv_10) (planner *p) {
     X(kdft_dit_register) (p, t1buv_10, &desc);
}
#else				/* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 10 -name t1buv_10 -include t1bu.h -sign 1 */

/*
 * This function contains 51 FP additions, 30 FP multiplications,
 * (or, 45 additions, 24 multiplications, 6 fused multiply/add),
 * 32 stack variables, 4 constants, and 20 memory accesses
 */
#include "t1bu.h"

static void t1buv_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 = ii;
     for (m = mb, W = W + (mb * ((TWVL / VL) * 18)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(rs)) {
	  V Tu, TH, Tg, Tl, Tp, TD, TE, TJ, T5, Ta, To, TA, TB, TI, Tr;
	  V Tt, Ts;
	  Tr = LD(&(x[0]), ms, &(x[0]));
	  Ts = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
	  Tt = BYTW(&(W[TWVL * 8]), Ts);
	  Tu = VSUB(Tr, Tt);
	  TH = VADD(Tr, Tt);
	  {
	       V Td, Tk, Tf, Ti;
	       {
		    V Tc, Tj, Te, Th;
		    Tc = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
		    Td = BYTW(&(W[TWVL * 6]), Tc);
		    Tj = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
		    Tk = BYTW(&(W[0]), Tj);
		    Te = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
		    Tf = BYTW(&(W[TWVL * 16]), Te);
		    Th = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
		    Ti = BYTW(&(W[TWVL * 10]), Th);
	       }
	       Tg = VSUB(Td, Tf);
	       Tl = VSUB(Ti, Tk);
	       Tp = VADD(Tg, Tl);
	       TD = VADD(Td, Tf);
	       TE = VADD(Ti, Tk);
	       TJ = VADD(TD, TE);
	  }
	  {
	       V T2, T9, T4, T7;
	       {
		    V T1, T8, T3, T6;
		    T1 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
		    T2 = BYTW(&(W[TWVL * 2]), T1);
		    T8 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
		    T9 = BYTW(&(W[TWVL * 4]), T8);
		    T3 = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
		    T4 = BYTW(&(W[TWVL * 12]), T3);
		    T6 = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
		    T7 = BYTW(&(W[TWVL * 14]), T6);
	       }
	       T5 = VSUB(T2, T4);
	       Ta = VSUB(T7, T9);
	       To = VADD(T5, Ta);
	       TA = VADD(T2, T4);
	       TB = VADD(T7, T9);
	       TI = VADD(TA, TB);
	  }
	  {
	       V Tq, Tv, Tw, Tn, Tz, Tb, Tm, Ty, Tx;
	       Tq = VMUL(LDK(KP559016994), VSUB(To, Tp));
	       Tv = VADD(To, Tp);
	       Tw = VFNMS(LDK(KP250000000), Tv, Tu);
	       Tb = VSUB(T5, Ta);
	       Tm = VSUB(Tg, Tl);
	       Tn = VBYI(VFMA(LDK(KP951056516), Tb, VMUL(LDK(KP587785252), Tm)));
	       Tz = VBYI(VFNMS(LDK(KP951056516), Tm, VMUL(LDK(KP587785252), Tb)));
	       ST(&(x[WS(rs, 5)]), VADD(Tu, Tv), ms, &(x[WS(rs, 1)]));
	       Ty = VSUB(Tw, Tq);
	       ST(&(x[WS(rs, 3)]), VSUB(Ty, Tz), ms, &(x[WS(rs, 1)]));
	       ST(&(x[WS(rs, 7)]), VADD(Tz, Ty), ms, &(x[WS(rs, 1)]));
	       Tx = VADD(Tq, Tw);
	       ST(&(x[WS(rs, 1)]), VADD(Tn, Tx), ms, &(x[WS(rs, 1)]));
	       ST(&(x[WS(rs, 9)]), VSUB(Tx, Tn), ms, &(x[WS(rs, 1)]));
	  }
	  {
	       V TM, TK, TL, TG, TP, TC, TF, TO, TN;
	       TM = VMUL(LDK(KP559016994), VSUB(TI, TJ));
	       TK = VADD(TI, TJ);
	       TL = VFNMS(LDK(KP250000000), TK, TH);
	       TC = VSUB(TA, TB);
	       TF = VSUB(TD, TE);
	       TG = VBYI(VFNMS(LDK(KP951056516), TF, VMUL(LDK(KP587785252), TC)));
	       TP = VBYI(VFMA(LDK(KP951056516), TC, VMUL(LDK(KP587785252), TF)));
	       ST(&(x[0]), VADD(TH, TK), ms, &(x[0]));
	       TO = VADD(TM, TL);
	       ST(&(x[WS(rs, 4)]), VSUB(TO, TP), ms, &(x[0]));
	       ST(&(x[WS(rs, 6)]), VADD(TP, TO), ms, &(x[0]));
	       TN = VSUB(TL, TM);
	       ST(&(x[WS(rs, 2)]), VADD(TG, TN), ms, &(x[0]));
	       ST(&(x[WS(rs, 8)]), VSUB(TN, TG), ms, &(x[0]));
	  }
     }
}

static const tw_instr twinstr[] = {
     VTW(0, 1),
     VTW(0, 2),
     VTW(0, 3),
     VTW(0, 4),
     VTW(0, 5),
     VTW(0, 6),
     VTW(0, 7),
     VTW(0, 8),
     VTW(0, 9),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 10, "t1buv_10", twinstr, &GENUS, {45, 24, 6, 0}, 0, 0, 0 };

void X(codelet_t1buv_10) (planner *p) {
     X(kdft_dit_register) (p, t1buv_10, &desc);
}
#endif				/* HAVE_FMA */