furnace/extern/fftw/dft/simd/common/t1sv_2.c
2022-05-31 03:24:29 -05:00

119 lines
4.1 KiB
C

/*
* 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 10:45:58 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_twiddle.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 2 -name t1sv_2 -include dft/simd/ts.h */
/*
* This function contains 6 FP additions, 4 FP multiplications,
* (or, 4 additions, 2 multiplications, 2 fused multiply/add),
* 11 stack variables, 0 constants, and 8 memory accesses
*/
#include "dft/simd/ts.h"
static void t1sv_2(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
for (m = mb, W = W + (mb * 2); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 2), MAKE_VOLATILE_STRIDE(4, rs)) {
V T1, Ta, T3, T6, T4, T8, T2, T7, T9, T5;
T1 = LD(&(ri[0]), ms, &(ri[0]));
Ta = LD(&(ii[0]), ms, &(ii[0]));
T3 = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
T6 = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
T2 = LDW(&(W[0]));
T4 = VMUL(T2, T3);
T8 = VMUL(T2, T6);
T5 = LDW(&(W[TWVL * 1]));
T7 = VFMA(T5, T6, T4);
T9 = VFNMS(T5, T3, T8);
ST(&(ri[WS(rs, 1)]), VSUB(T1, T7), ms, &(ri[WS(rs, 1)]));
ST(&(ii[WS(rs, 1)]), VSUB(Ta, T9), ms, &(ii[WS(rs, 1)]));
ST(&(ri[0]), VADD(T1, T7), ms, &(ri[0]));
ST(&(ii[0]), VADD(T9, Ta), ms, &(ii[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(0, 1),
{ TW_NEXT, (2 * VL), 0 }
};
static const ct_desc desc = { 2, XSIMD_STRING("t1sv_2"), twinstr, &GENUS, { 4, 2, 2, 0 }, 0, 0, 0 };
void XSIMD(codelet_t1sv_2) (planner *p) {
X(kdft_dit_register) (p, t1sv_2, &desc);
}
#else
/* Generated by: ../../../genfft/gen_twiddle.native -simd -compact -variables 4 -pipeline-latency 8 -n 2 -name t1sv_2 -include dft/simd/ts.h */
/*
* This function contains 6 FP additions, 4 FP multiplications,
* (or, 4 additions, 2 multiplications, 2 fused multiply/add),
* 9 stack variables, 0 constants, and 8 memory accesses
*/
#include "dft/simd/ts.h"
static void t1sv_2(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
for (m = mb, W = W + (mb * 2); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 2), MAKE_VOLATILE_STRIDE(4, rs)) {
V T1, T8, T6, T7;
T1 = LD(&(ri[0]), ms, &(ri[0]));
T8 = LD(&(ii[0]), ms, &(ii[0]));
{
V T3, T5, T2, T4;
T3 = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
T5 = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
T2 = LDW(&(W[0]));
T4 = LDW(&(W[TWVL * 1]));
T6 = VFMA(T2, T3, VMUL(T4, T5));
T7 = VFNMS(T4, T3, VMUL(T2, T5));
}
ST(&(ri[WS(rs, 1)]), VSUB(T1, T6), ms, &(ri[WS(rs, 1)]));
ST(&(ii[WS(rs, 1)]), VSUB(T8, T7), ms, &(ii[WS(rs, 1)]));
ST(&(ri[0]), VADD(T1, T6), ms, &(ri[0]));
ST(&(ii[0]), VADD(T7, T8), ms, &(ii[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(0, 1),
{ TW_NEXT, (2 * VL), 0 }
};
static const ct_desc desc = { 2, XSIMD_STRING("t1sv_2"), twinstr, &GENUS, { 4, 2, 2, 0 }, 0, 0, 0 };
void XSIMD(codelet_t1sv_2) (planner *p) {
X(kdft_dit_register) (p, t1sv_2, &desc);
}
#endif