Mercurial > hg > sv-dependency-builds

view src/fftw-3.3.3/dft/simd/common/t1fv_8.c @ 23:619f715526df sv_v2.1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Update Vamp plugin SDK to 2.5
author Chris Cannam
date Thu, 09 May 2013 10:52:46 +0100
parents 37bf6b4a2645
children
line wrap: on
line source
/*
 * Copyright (c) 2003, 2007-11 Matteo Frigo
 * Copyright (c) 2003, 2007-11 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 Sun Nov 25 07:38:02 EST 2012 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1fv_8 -include t1f.h */

/*
 * This function contains 33 FP additions, 24 FP multiplications,
 * (or, 23 additions, 14 multiplications, 10 fused multiply/add),
 * 36 stack variables, 1 constants, and 16 memory accesses
 */
#include "t1f.h"

static void t1fv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     {
	  INT m;
	  R *x;
	  x = ri;
	  for (m = mb, W = W + (mb * ((TWVL / VL) * 14)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 14), MAKE_VOLATILE_STRIDE(8, rs)) {
	       V T1, T2, Th, Tj, T5, T7, Ta, Tc;
	       T1 = LD(&(x[0]), ms, &(x[0]));
	       T2 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
	       Th = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
	       Tj = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
	       T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
	       T7 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
	       Ta = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
	       Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
	       {
		    V T3, Ti, Tk, T6, T8, Tb, Td;
		    T3 = BYTWJ(&(W[TWVL * 6]), T2);
		    Ti = BYTWJ(&(W[TWVL * 2]), Th);
		    Tk = BYTWJ(&(W[TWVL * 10]), Tj);
		    T6 = BYTWJ(&(W[0]), T5);
		    T8 = BYTWJ(&(W[TWVL * 8]), T7);
		    Tb = BYTWJ(&(W[TWVL * 12]), Ta);
		    Td = BYTWJ(&(W[TWVL * 4]), Tc);
		    {
			 V Tq, T4, Tr, Tl, Tt, T9, Tu, Te, Tw, Ts;
			 Tq = VADD(T1, T3);
			 T4 = VSUB(T1, T3);
			 Tr = VADD(Ti, Tk);
			 Tl = VSUB(Ti, Tk);
			 Tt = VADD(T6, T8);
			 T9 = VSUB(T6, T8);
			 Tu = VADD(Tb, Td);
			 Te = VSUB(Tb, Td);
			 Tw = VSUB(Tq, Tr);
			 Ts = VADD(Tq, Tr);
			 {
			      V Tx, Tv, Tm, Tf;
			      Tx = VSUB(Tu, Tt);
			      Tv = VADD(Tt, Tu);
			      Tm = VSUB(Te, T9);
			      Tf = VADD(T9, Te);
			      {
				   V Tp, Tn, To, Tg;
				   ST(&(x[WS(rs, 2)]), VFMAI(Tx, Tw), ms, &(x[0]));
				   ST(&(x[WS(rs, 6)]), VFNMSI(Tx, Tw), ms, &(x[0]));
				   ST(&(x[0]), VADD(Ts, Tv), ms, &(x[0]));
				   ST(&(x[WS(rs, 4)]), VSUB(Ts, Tv), ms, &(x[0]));
				   Tp = VFMA(LDK(KP707106781), Tm, Tl);
				   Tn = VFNMS(LDK(KP707106781), Tm, Tl);
				   To = VFNMS(LDK(KP707106781), Tf, T4);
				   Tg = VFMA(LDK(KP707106781), Tf, T4);
				   ST(&(x[WS(rs, 5)]), VFNMSI(Tp, To), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 3)]), VFMAI(Tp, To), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 7)]), VFMAI(Tn, Tg), ms, &(x[WS(rs, 1)]));
				   ST(&(x[WS(rs, 1)]), VFNMSI(Tn, Tg), ms, &(x[WS(rs, 1)]));
			      }
			 }
		    }
	       }
	  }
     }
     VLEAVE();
}

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),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 8, XSIMD_STRING("t1fv_8"), twinstr, &GENUS, {23, 14, 10, 0}, 0, 0, 0 };

void XSIMD(codelet_t1fv_8) (planner *p) {
     X(kdft_dit_register) (p, t1fv_8, &desc);
}
#else				/* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1fv_8 -include t1f.h */

/*
 * This function contains 33 FP additions, 16 FP multiplications,
 * (or, 33 additions, 16 multiplications, 0 fused multiply/add),
 * 24 stack variables, 1 constants, and 16 memory accesses
 */
#include "t1f.h"

static void t1fv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     {
	  INT m;
	  R *x;
	  x = ri;
	  for (m = mb, W = W + (mb * ((TWVL / VL) * 14)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 14), MAKE_VOLATILE_STRIDE(8, rs)) {
	       V T4, Tq, Tm, Tr, T9, Tt, Te, Tu, T1, T3, T2;
	       T1 = LD(&(x[0]), ms, &(x[0]));
	       T2 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
	       T3 = BYTWJ(&(W[TWVL * 6]), T2);
	       T4 = VSUB(T1, T3);
	       Tq = VADD(T1, T3);
	       {
		    V Tj, Tl, Ti, Tk;
		    Ti = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
		    Tj = BYTWJ(&(W[TWVL * 2]), Ti);
		    Tk = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
		    Tl = BYTWJ(&(W[TWVL * 10]), Tk);
		    Tm = VSUB(Tj, Tl);
		    Tr = VADD(Tj, Tl);
	       }
	       {
		    V T6, T8, T5, T7;
		    T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
		    T6 = BYTWJ(&(W[0]), T5);
		    T7 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
		    T8 = BYTWJ(&(W[TWVL * 8]), T7);
		    T9 = VSUB(T6, T8);
		    Tt = VADD(T6, T8);
	       }
	       {
		    V Tb, Td, Ta, Tc;
		    Ta = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
		    Tb = BYTWJ(&(W[TWVL * 12]), Ta);
		    Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
		    Td = BYTWJ(&(W[TWVL * 4]), Tc);
		    Te = VSUB(Tb, Td);
		    Tu = VADD(Tb, Td);
	       }
	       {
		    V Ts, Tv, Tw, Tx;
		    Ts = VADD(Tq, Tr);
		    Tv = VADD(Tt, Tu);
		    ST(&(x[WS(rs, 4)]), VSUB(Ts, Tv), ms, &(x[0]));
		    ST(&(x[0]), VADD(Ts, Tv), ms, &(x[0]));
		    Tw = VSUB(Tq, Tr);
		    Tx = VBYI(VSUB(Tu, Tt));
		    ST(&(x[WS(rs, 6)]), VSUB(Tw, Tx), ms, &(x[0]));
		    ST(&(x[WS(rs, 2)]), VADD(Tw, Tx), ms, &(x[0]));
		    {
			 V Tg, To, Tn, Tp, Tf, Th;
			 Tf = VMUL(LDK(KP707106781), VADD(T9, Te));
			 Tg = VADD(T4, Tf);
			 To = VSUB(T4, Tf);
			 Th = VMUL(LDK(KP707106781), VSUB(Te, T9));
			 Tn = VBYI(VSUB(Th, Tm));
			 Tp = VBYI(VADD(Tm, Th));
			 ST(&(x[WS(rs, 7)]), VSUB(Tg, Tn), ms, &(x[WS(rs, 1)]));
			 ST(&(x[WS(rs, 3)]), VADD(To, Tp), ms, &(x[WS(rs, 1)]));
			 ST(&(x[WS(rs, 1)]), VADD(Tg, Tn), ms, &(x[WS(rs, 1)]));
			 ST(&(x[WS(rs, 5)]), VSUB(To, Tp), ms, &(x[WS(rs, 1)]));
		    }
	       }
	  }
     }
     VLEAVE();
}

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),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 8, XSIMD_STRING("t1fv_8"), twinstr, &GENUS, {33, 16, 0, 0}, 0, 0, 0 };

void XSIMD(codelet_t1fv_8) (planner *p) {
     X(kdft_dit_register) (p, t1fv_8, &desc);
}
#endif				/* HAVE_FMA */