mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-18 14:30:15 +00:00
122 lines
4.3 KiB
C
122 lines
4.3 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 10:45:28 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 3 -name t1fv_3 -include dft/simd/t1f.h */
|
|
|
|
/*
|
|
* This function contains 8 FP additions, 8 FP multiplications,
|
|
* (or, 5 additions, 5 multiplications, 3 fused multiply/add),
|
|
* 12 stack variables, 2 constants, and 6 memory accesses
|
|
*/
|
|
#include "dft/simd/t1f.h"
|
|
|
|
static void t1fv_3(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
|
|
{
|
|
DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
|
|
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
|
|
{
|
|
INT m;
|
|
R *x;
|
|
x = ri;
|
|
for (m = mb, W = W + (mb * ((TWVL / VL) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(3, rs)) {
|
|
V T1, T3, T5, T6, T2, T4, T7, T8;
|
|
T1 = LD(&(x[0]), ms, &(x[0]));
|
|
T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
|
|
T3 = BYTWJ(&(W[0]), T2);
|
|
T4 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
|
|
T5 = BYTWJ(&(W[TWVL * 2]), T4);
|
|
T6 = VADD(T3, T5);
|
|
ST(&(x[0]), VADD(T1, T6), ms, &(x[0]));
|
|
T7 = VFNMS(LDK(KP500000000), T6, T1);
|
|
T8 = VMUL(LDK(KP866025403), VSUB(T5, T3));
|
|
ST(&(x[WS(rs, 2)]), VFNMSI(T8, T7), ms, &(x[0]));
|
|
ST(&(x[WS(rs, 1)]), VFMAI(T8, T7), ms, &(x[WS(rs, 1)]));
|
|
}
|
|
}
|
|
VLEAVE();
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
VTW(0, 1),
|
|
VTW(0, 2),
|
|
{ TW_NEXT, VL, 0 }
|
|
};
|
|
|
|
static const ct_desc desc = { 3, XSIMD_STRING("t1fv_3"), twinstr, &GENUS, { 5, 5, 3, 0 }, 0, 0, 0 };
|
|
|
|
void XSIMD(codelet_t1fv_3) (planner *p) {
|
|
X(kdft_dit_register) (p, t1fv_3, &desc);
|
|
}
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 3 -name t1fv_3 -include dft/simd/t1f.h */
|
|
|
|
/*
|
|
* This function contains 8 FP additions, 6 FP multiplications,
|
|
* (or, 7 additions, 5 multiplications, 1 fused multiply/add),
|
|
* 12 stack variables, 2 constants, and 6 memory accesses
|
|
*/
|
|
#include "dft/simd/t1f.h"
|
|
|
|
static void t1fv_3(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
|
|
{
|
|
DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
|
|
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
|
|
{
|
|
INT m;
|
|
R *x;
|
|
x = ri;
|
|
for (m = mb, W = W + (mb * ((TWVL / VL) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(3, rs)) {
|
|
V T1, T3, T5, T6, T2, T4, T7, T8;
|
|
T1 = LD(&(x[0]), ms, &(x[0]));
|
|
T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
|
|
T3 = BYTWJ(&(W[0]), T2);
|
|
T4 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
|
|
T5 = BYTWJ(&(W[TWVL * 2]), T4);
|
|
T6 = VADD(T3, T5);
|
|
ST(&(x[0]), VADD(T1, T6), ms, &(x[0]));
|
|
T7 = VFNMS(LDK(KP500000000), T6, T1);
|
|
T8 = VBYI(VMUL(LDK(KP866025403), VSUB(T5, T3)));
|
|
ST(&(x[WS(rs, 2)]), VSUB(T7, T8), ms, &(x[0]));
|
|
ST(&(x[WS(rs, 1)]), VADD(T7, T8), ms, &(x[WS(rs, 1)]));
|
|
}
|
|
}
|
|
VLEAVE();
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
VTW(0, 1),
|
|
VTW(0, 2),
|
|
{ TW_NEXT, VL, 0 }
|
|
};
|
|
|
|
static const ct_desc desc = { 3, XSIMD_STRING("t1fv_3"), twinstr, &GENUS, { 7, 5, 1, 0 }, 0, 0, 0 };
|
|
|
|
void XSIMD(codelet_t1fv_3) (planner *p) {
|
|
X(kdft_dit_register) (p, t1fv_3, &desc);
|
|
}
|
|
#endif
|