furnace/extern/fftw/dft/simd/common/t1fv_2.c

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/*
* 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 Sep 14 10:45:28 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 2 -name t1fv_2 -include dft/simd/t1f.h */
/*
* This function contains 3 FP additions, 2 FP multiplications,
* (or, 3 additions, 2 multiplications, 0 fused multiply/add),
* 5 stack variables, 0 constants, and 4 memory accesses
*/
#include "dft/simd/t1f.h"
static void t1fv_2(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
R *x;
x = ri;
for (m = mb, W = W + (mb * ((TWVL / VL) * 2)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 2), MAKE_VOLATILE_STRIDE(2, rs)) {
V T1, T3, T2;
T1 = LD(&(x[0]), ms, &(x[0]));
T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
T3 = BYTWJ(&(W[0]), T2);
ST(&(x[WS(rs, 1)]), VSUB(T1, T3), ms, &(x[WS(rs, 1)]));
ST(&(x[0]), VADD(T1, T3), ms, &(x[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(0, 1),
{ TW_NEXT, VL, 0 }
};
static const ct_desc desc = { 2, XSIMD_STRING("t1fv_2"), twinstr, &GENUS, { 3, 2, 0, 0 }, 0, 0, 0 };
void XSIMD(codelet_t1fv_2) (planner *p) {
X(kdft_dit_register) (p, t1fv_2, &desc);
}
#else
/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 2 -name t1fv_2 -include dft/simd/t1f.h */
/*
* This function contains 3 FP additions, 2 FP multiplications,
* (or, 3 additions, 2 multiplications, 0 fused multiply/add),
* 5 stack variables, 0 constants, and 4 memory accesses
*/
#include "dft/simd/t1f.h"
static void t1fv_2(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
R *x;
x = ri;
for (m = mb, W = W + (mb * ((TWVL / VL) * 2)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 2), MAKE_VOLATILE_STRIDE(2, rs)) {
V T1, T3, T2;
T1 = LD(&(x[0]), ms, &(x[0]));
T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
T3 = BYTWJ(&(W[0]), T2);
ST(&(x[WS(rs, 1)]), VSUB(T1, T3), ms, &(x[WS(rs, 1)]));
ST(&(x[0]), VADD(T1, T3), ms, &(x[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(0, 1),
{ TW_NEXT, VL, 0 }
};
static const ct_desc desc = { 2, XSIMD_STRING("t1fv_2"), twinstr, &GENUS, { 3, 2, 0, 0 }, 0, 0, 0 };
void XSIMD(codelet_t1fv_2) (planner *p) {
X(kdft_dit_register) (p, t1fv_2, &desc);
}
#endif