annotate fft/fftw/fftw-3.3.4/rdft/simd/common/hc2cfdftv_10.c @ 40:223f770b5341 kissfft-double tip

Try a double-precision kissfft

/*
 * Copyright (c) 2003, 2007-14 Matteo Frigo
 * Copyright (c) 2003, 2007-14 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Tue Mar  4 13:51:49 EST 2014 */

#include "codelet-rdft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_hc2cdft_c.native -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(40, 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)]));
	       }
	  }
     }
     VLEAVE();
}

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, XSIMD_STRING("hc2cfdftv_10"), twinstr, &GENUS, {33, 32, 28, 0} };

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

/* Generated by: ../../../genfft/gen_hc2cdft_c.native -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(40, 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)]));
	  }
     }
     VLEAVE();
}

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, XSIMD_STRING("hc2cfdftv_10"), twinstr, &GENUS, {55, 32, 6, 0} };

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