furnace/extern/fftw/dft/simd/common/n1bv_3.c

111 lines
4.0 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 10:45:02 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 3 -name n1bv_3 -include dft/simd/n1b.h */
/*
* This function contains 6 FP additions, 4 FP multiplications,
* (or, 3 additions, 1 multiplications, 3 fused multiply/add),
* 11 stack variables, 2 constants, and 6 memory accesses
*/
#include "dft/simd/n1b.h"
static void n1bv_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
{
INT i;
const R *xi;
R *xo;
xi = ii;
xo = io;
for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
V T1, T4, T6, T2, T3, T5;
T1 = LD(&(xi[0]), ivs, &(xi[0]));
T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
T3 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
T4 = VADD(T2, T3);
T6 = VMUL(LDK(KP866025403), VSUB(T2, T3));
ST(&(xo[0]), VADD(T1, T4), ovs, &(xo[0]));
T5 = VFNMS(LDK(KP500000000), T4, T1);
ST(&(xo[WS(os, 1)]), VFMAI(T6, T5), ovs, &(xo[WS(os, 1)]));
ST(&(xo[WS(os, 2)]), VFNMSI(T6, T5), ovs, &(xo[0]));
}
}
VLEAVE();
}
static const kdft_desc desc = { 3, XSIMD_STRING("n1bv_3"), { 3, 1, 3, 0 }, &GENUS, 0, 0, 0, 0 };
void XSIMD(codelet_n1bv_3) (planner *p) { X(kdft_register) (p, n1bv_3, &desc);
}
#else
/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 3 -name n1bv_3 -include dft/simd/n1b.h */
/*
* This function contains 6 FP additions, 2 FP multiplications,
* (or, 5 additions, 1 multiplications, 1 fused multiply/add),
* 11 stack variables, 2 constants, and 6 memory accesses
*/
#include "dft/simd/n1b.h"
static void n1bv_3(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
{
INT i;
const R *xi;
R *xo;
xi = ii;
xo = io;
for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
V T4, T3, T5, T1, T2, T6;
T4 = LD(&(xi[0]), ivs, &(xi[0]));
T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
T2 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
T3 = VBYI(VMUL(LDK(KP866025403), VSUB(T1, T2)));
T5 = VADD(T1, T2);
ST(&(xo[0]), VADD(T4, T5), ovs, &(xo[0]));
T6 = VFNMS(LDK(KP500000000), T5, T4);
ST(&(xo[WS(os, 1)]), VADD(T3, T6), ovs, &(xo[WS(os, 1)]));
ST(&(xo[WS(os, 2)]), VSUB(T6, T3), ovs, &(xo[0]));
}
}
VLEAVE();
}
static const kdft_desc desc = { 3, XSIMD_STRING("n1bv_3"), { 5, 1, 1, 0 }, &GENUS, 0, 0, 0, 0 };
void XSIMD(codelet_n1bv_3) (planner *p) { X(kdft_register) (p, n1bv_3, &desc);
}
#endif