hc2cfdftv_10.c

快速fft变换

/*
 * 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 Sat Nov 15 21:14:12 EST 2008 */

#include "codelet-rdft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_hc2cdft_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -trivial-stores -variables 32 -no-generate-bytw -n 10 -dit -name hc2cfdftv_10 -include hc2cfv.h */

/*
 * This function contains 61 FP additions, 60 FP multiplications,
 * (or, 33 additions, 32 multiplications, 28 fused multiply/add),
 * 77 stack variables, 5 constants, and 20 memory accesses
 */
#include "hc2cfv.h"

static void hc2cfdftv_10(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     INT m;
     for (m = mb, W = W + ((mb - 1) * ((TWVL / VL) * 18)); m < me; m = m + VL, Rp = Rp + (VL * ms), Ip = Ip + (VL * ms), Rm = Rm - (VL * ms), Im = Im - (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(rs)) {
	  V T5, T6, Tw, Tr, Tc, Tj, Tl, Tm, Tk, Ts, Tg, Ty, T3, T4, T1;
	  V T2, Tv, Tq, Ta, Tb, T9, Ti, Te, Tf, Td, Tx, Tn, Tt, Th, TQ;
	  V TT, Tz, T7, TR, To, Tu, TU;
	  T1 = LD(&(Rp[0]), ms, &(Rp[0]));
	  T2 = LD(&(Rm[0]), -ms, &(Rm[0]));
	  Tv = LDW(&(W[0]));
	  T5 = LD(&(Rp[WS(rs, 2)]), ms, &(Rp[0]));
	  T6 = LD(&(Rm[WS(rs, 2)]), -ms, &(Rm[0]));
	  Tq = LDW(&(W[TWVL * 6]));
	  Ta = LD(&(Rp[WS(rs, 1)]), ms, &(Rp[WS(rs, 1)]));
	  Tb = LD(&(Rm[WS(rs, 1)]), -ms, &(Rm[WS(rs, 1)]));
	  T9 = LDW(&(W[TWVL * 2]));
	  Ti = LDW(&(W[TWVL * 4]));
	  Tw = VZMULIJ(Tv, VFNMSCONJ(T2, T1));
	  Te = LD(&(Rp[WS(rs, 3)]), ms, &(Rp[WS(rs, 1)]));
	  Tf = LD(&(Rm[WS(rs, 3)]), -ms, &(Rm[WS(rs, 1)]));
	  Tr = VZMULJ(Tq, VFMACONJ(T6, T5));
	  Td = LDW(&(W[TWVL * 12]));
	  Tx = LDW(&(W[TWVL * 10]));
	  Tc = VZMULJ(T9, VFMACONJ(Tb, Ta));
	  Tj = VZMULIJ(Ti, VFNMSCONJ(Tb, Ta));
	  Tl = LD(&(Rp[WS(rs, 4)]), ms, &(Rp[0]));
	  Tm = LD(&(Rm[WS(rs, 4)]), -ms, &(Rm[0]));
	  Tk = LDW(&(W[TWVL * 14]));
	  Ts = LDW(&(W[TWVL * 16]));
	  Tg = VZMULIJ(Td, VFNMSCONJ(Tf, Te));
	  Ty = VZMULJ(Tx, VFMACONJ(Tf, Te));
	  T3 = VFMACONJ(T2, T1);
	  T4 = LDW(&(W[TWVL * 8]));
	  Tn = VZMULJ(Tk, VFMACONJ(Tm, Tl));
	  Tt = VZMULIJ(Ts, VFNMSCONJ(Tm, Tl));
	  Th = VSUB(Tc, Tg);
	  TQ = VADD(Tc, Tg);
	  TT = VADD(Tw, Ty);
	  Tz = VSUB(Tw, Ty);
	  T7 = VZMULIJ(T4, VFNMSCONJ(T6, T5));
	  TR = VADD(Tj, Tn);
	  To = VSUB(Tj, Tn);
	  Tu = VSUB(Tr, Tt);
	  TU = VADD(Tr, Tt);
	  {
	       V TP, T8, TS, T11, Tp, TH, TA, TG, TV, T12, TE, TB, TM, TI, TZ;
	       V TW, T17, T13, TD, TC, TY, TX, TL, TF, T10, T16, TN, TO, TK, TJ;
	       V T18, T19, T15, T14;
	       TP = VADD(T3, T7);
	       T8 = VSUB(T3, T7);
	       TS = VADD(TQ, TR);
	       T11 = VSUB(TQ, TR);
	       Tp = VSUB(Th, To);
	       TH = VADD(Th, To);
	       TA = VSUB(Tu, Tz);
	       TG = VADD(Tz, Tu);
	       TV = VADD(TT, TU);
	       T12 = VSUB(TU, TT);
	       TE = VSUB(Tp, TA);
	       TB = VADD(Tp, TA);
	       TM = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TG, TH));
	       TI = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TH, TG));
	       TZ = VSUB(TS, TV);
	       TW = VADD(TS, TV);
	       T17 = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), T11, T12));
	       T13 = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), T12, T11));
	       TD = VFNMS(LDK(KP250000000), TB, T8);
	       TC = VMUL(LDK(KP500000000), VADD(T8, TB));
	       TY = VFNMS(LDK(KP250000000), TW, TP);
	       TX = VCONJ(VMUL(LDK(KP500000000), VADD(TP, TW)));
	       TL = VFMA(LDK(KP559016994), TE, TD);
	       TF = VFNMS(LDK(KP559016994), TE, TD);
	       ST(&(Rp[0]), TC, ms, &(Rp[0]));
	       T10 = VFMA(LDK(KP559016994), TZ, TY);
	       T16 = VFNMS(LDK(KP559016994), TZ, TY);
	       ST(&(Rm[WS(rs, 4)]), TX, -ms, &(Rm[0]));
	       TN = VCONJ(VMUL(LDK(KP500000000), VFNMSI(TM, TL)));
	       TO = VMUL(LDK(KP500000000), VFMAI(TM, TL));
	       TK = VMUL(LDK(KP500000000), VFMAI(TI, TF));
	       TJ = VCONJ(VMUL(LDK(KP500000000), VFNMSI(TI, TF)));
	       T18 = VMUL(LDK(KP500000000), VFNMSI(T17, T16));
	       T19 = VCONJ(VMUL(LDK(KP500000000), VFMAI(T17, T16)));
	       T15 = VCONJ(VMUL(LDK(KP500000000), VFMAI(T13, T10)));
	       T14 = VMUL(LDK(KP500000000), VFNMSI(T13, T10));
	       ST(&(Rm[WS(rs, 3)]), TN, -ms, &(Rm[WS(rs, 1)]));
	       ST(&(Rp[WS(rs, 4)]), TO, ms, &(Rp[0]));
	       ST(&(Rp[WS(rs, 2)]), TK, ms, &(Rp[0]));
	       ST(&(Rm[WS(rs, 1)]), TJ, -ms, &(Rm[WS(rs, 1)]));
	       ST(&(Rp[WS(rs, 3)]), T18, ms, &(Rp[WS(rs, 1)]));
	       ST(&(Rm[WS(rs, 2)]), T19, -ms, &(Rm[0]));
	       ST(&(Rm[0]), T15, -ms, &(Rm[0]));
	       ST(&(Rp[WS(rs, 1)]), T14, ms, &(Rp[WS(rs, 1)]));
	  }
     }
}

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

static const hc2c_desc desc = { 10, "hc2cfdftv_10", twinstr, &GENUS, {33, 32, 28, 0} };

void X(codelet_hc2cfdftv_10) (planner *p) {
     X(khc2c_register) (p, hc2cfdftv_10, &desc, HC2C_VIA_DFT);
}
#else				/* HAVE_FMA */

/* Generated by: ../../../genfft/gen_hc2cdft_c -simd -compact -variables 4 -pipeline-latency 8 -trivial-stores -variables 32 -no-generate-bytw -n 10 -dit -name hc2cfdftv_10 -include hc2cfv.h */

/*
 * This function contains 61 FP additions, 38 FP multiplications,
 * (or, 55 additions, 32 multiplications, 6 fused multiply/add),
 * 82 stack variables, 5 constants, and 20 memory accesses
 */
#include "hc2cfv.h"

static void hc2cfdftv_10(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP125000000, +0.125000000000000000000000000000000000000000000);
     DVK(KP279508497, +0.279508497187473712051146708591409529430077295);
     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT m;
     for (m = mb, W = W + ((mb - 1) * ((TWVL / VL) * 18)); m < me; m = m + VL, Rp = Rp + (VL * ms), Ip = Ip + (VL * ms), Rm = Rm - (VL * ms), Im = Im - (VL * ms), W = W + (TWVL * 18), MAKE_VOLATILE_STRIDE(rs)) {
	  V Tl, Tt, Tu, TY, TZ, T10, Tz, TE, TF, TV, TW, TX, Ta, TU, TN;
	  V TR, TH, TQ, TK, TL, TM, TI, TG, TJ, TT, TO, TP, TS, T18, T1c;
	  V T12, T1b, T15, T16, T17, T14, T11, T13, T1e, T19, T1a, T1d;
	  {
	       V T1, T3, Ty, T8, T7, TB, Tf, Ts, Tk, Tw, Tq, TD, T2, Tx, T6;
	       V TA, Tc, Te, Td, Tb, Tr, Tj, Ti, Th, Tg, Tv, Tn, Tp, To, Tm;
	       V TC, T4, T9, T5;
	       T1 = LD(&(Rp[0]), ms, &(Rp[0]));
	       T2 = LD(&(Rm[0]), -ms, &(Rm[0]));
	       T3 = VCONJ(T2);
	       Tx = LDW(&(W[0]));
	       Ty = VZMULIJ(Tx, VSUB(T3, T1));
	       T8 = LD(&(Rp[WS(rs, 2)]), ms, &(Rp[0]));
	       T6 = LD(&(Rm[WS(rs, 2)]), -ms, &(Rm[0]));
	       T7 = VCONJ(T6);
	       TA = LDW(&(W[TWVL * 6]));
	       TB = VZMULJ(TA, VADD(T7, T8));
	       Tc = LD(&(Rp[WS(rs, 1)]), ms, &(Rp[WS(rs, 1)]));
	       Td = LD(&(Rm[WS(rs, 1)]), -ms, &(Rm[WS(rs, 1)]));
	       Te = VCONJ(Td);
	       Tb = LDW(&(W[TWVL * 2]));
	       Tf = VZMULJ(Tb, VADD(Tc, Te));
	       Tr = LDW(&(W[TWVL * 4]));
	       Ts = VZMULIJ(Tr, VSUB(Te, Tc));
	       Tj = LD(&(Rp[WS(rs, 3)]), ms, &(Rp[WS(rs, 1)]));
	       Th = LD(&(Rm[WS(rs, 3)]), -ms, &(Rm[WS(rs, 1)]));
	       Ti = VCONJ(Th);
	       Tg = LDW(&(W[TWVL * 12]));
	       Tk = VZMULIJ(Tg, VSUB(Ti, Tj));
	       Tv = LDW(&(W[TWVL * 10]));
	       Tw = VZMULJ(Tv, VADD(Ti, Tj));
	       Tn = LD(&(Rp[WS(rs, 4)]), ms, &(Rp[0]));
	       To = LD(&(Rm[WS(rs, 4)]), -ms, &(Rm[0]));
	       Tp = VCONJ(To);
	       Tm = LDW(&(W[TWVL * 14]));
	       Tq = VZMULJ(Tm, VADD(Tn, Tp));
	       TC = LDW(&(W[TWVL * 16]));
	       TD = VZMULIJ(TC, VSUB(Tp, Tn));
	       Tl = VSUB(Tf, Tk);
	       Tt = VSUB(Tq, Ts);
	       Tu = VADD(Tl, Tt);
	       TY = VADD(Ty, Tw);
	       TZ = VADD(TB, TD);
	       T10 = VADD(TY, TZ);
	       Tz = VSUB(Tw, Ty);
	       TE = VSUB(TB, TD);
	       TF = VADD(Tz, TE);
	       TV = VADD(Tf, Tk);
	       TW = VADD(Ts, Tq);
	       TX = VADD(TV, TW);
	       T4 = VADD(T1, T3);
	       T5 = LDW(&(W[TWVL * 8]));
	       T9 = VZMULIJ(T5, VSUB(T7, T8));
	       Ta = VSUB(T4, T9);
	       TU = VADD(T4, T9);
	  }
	  TL = VSUB(Tl, Tt);
	  TM = VSUB(TE, Tz);
	  TN = VMUL(LDK(KP500000000), VBYI(VFMA(LDK(KP951056516), TL, VMUL(LDK(KP587785252), TM))));
	  TR = VMUL(LDK(KP500000000), VBYI(VFNMS(LDK(KP587785252), TL, VMUL(LDK(KP951056516), TM))));
	  TI = VMUL(LDK(KP279508497), VSUB(Tu, TF));
	  TG = VADD(Tu, TF);
	  TJ = VFNMS(LDK(KP125000000), TG, VMUL(LDK(KP500000000), Ta));
	  TH = VCONJ(VMUL(LDK(KP500000000), VADD(Ta, TG)));
	  TQ = VSUB(TJ, TI);
	  TK = VADD(TI, TJ);
	  ST(&(Rm[WS(rs, 4)]), TH, -ms, &(Rm[0]));
	  TT = VCONJ(VADD(TQ, TR));
	  ST(&(Rm[WS(rs, 2)]), TT, -ms, &(Rm[0]));
	  TO = VSUB(TK, TN);
	  ST(&(Rp[WS(rs, 1)]), TO, ms, &(Rp[WS(rs, 1)]));
	  TP = VCONJ(VADD(TK, TN));
	  ST(&(Rm[0]), TP, -ms, &(Rm[0]));
	  TS = VSUB(TQ, TR);
	  ST(&(Rp[WS(rs, 3)]), TS, ms, &(Rp[WS(rs, 1)]));
	  T16 = VSUB(TZ, TY);
	  T17 = VSUB(TV, TW);
	  T18 = VMUL(LDK(KP500000000), VBYI(VFNMS(LDK(KP587785252), T17, VMUL(LDK(KP951056516), T16))));
	  T1c = VMUL(LDK(KP500000000), VBYI(VFMA(LDK(KP951056516), T17, VMUL(LDK(KP587785252), T16))));
	  T14 = VMUL(LDK(KP279508497), VSUB(TX, T10));
	  T11 = VADD(TX, T10);
	  T13 = VFNMS(LDK(KP125000000), T11, VMUL(LDK(KP500000000), TU));
	  T12 = VMUL(LDK(KP500000000), VADD(TU, T11));
	  T1b = VADD(T14, T13);
	  T15 = VSUB(T13, T14);
	  ST(&(Rp[0]), T12, ms, &(Rp[0]));
	  T1e = VADD(T1b, T1c);
	  ST(&(Rp[WS(rs, 4)]), T1e, ms, &(Rp[0]));
	  T19 = VCONJ(VSUB(T15, T18));
	  ST(&(Rm[WS(rs, 1)]), T19, -ms, &(Rm[WS(rs, 1)]));
	  T1a = VADD(T15, T18);
	  ST(&(Rp[WS(rs, 2)]), T1a, ms, &(Rp[0]));
	  T1d = VCONJ(VSUB(T1b, T1c));
	  ST(&(Rm[WS(rs, 3)]), T1d, -ms, &(Rm[WS(rs, 1)]));
     }
}

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

static const hc2c_desc desc = { 10, "hc2cfdftv_10", twinstr, &GENUS, {55, 32, 6, 0} };

void X(codelet_hc2cfdftv_10) (planner *p) {
     X(khc2c_register) (p, hc2cfdftv_10, &desc, HC2C_VIA_DFT);
}
#endif				/* HAVE_FMA */