furnace/extern/fftw/rdft/simd/common/hc2cfdftv_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 10:47:22 EDT 2021 */
#include "rdft/codelet-rdft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_hc2cdft_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -trivial-stores -variables 32 -no-generate-bytw -n 2 -dit -name hc2cfdftv_2 -include rdft/simd/hc2cfv.h */
/*
* This function contains 5 FP additions, 6 FP multiplications,
* (or, 3 additions, 4 multiplications, 2 fused multiply/add),
* 9 stack variables, 1 constants, and 4 memory accesses
*/
#include "rdft/simd/hc2cfv.h"
static void hc2cfdftv_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
{
INT m;
for (m = mb, W = W + ((mb - 1) * ((TWVL / VL) * 2)); m < me; m = m + VL, Rp = Rp + (VL * ms), Ip = Ip + (VL * ms), Rm = Rm - (VL * ms), Im = Im - (VL * ms), W = W + (TWVL * 2), MAKE_VOLATILE_STRIDE(8, rs)) {
V T3, T5, T1, T2, T4, T6, T7;
T1 = LD(&(Rp[0]), ms, &(Rp[0]));
T2 = LD(&(Rm[0]), -ms, &(Rm[0]));
T3 = VFMACONJ(T2, T1);
T4 = LDW(&(W[0]));
T5 = VZMULIJ(T4, VFNMSCONJ(T2, T1));
T6 = VMUL(LDK(KP500000000), VSUB(T3, T5));
ST(&(Rp[0]), T6, ms, &(Rp[0]));
T7 = VCONJ(VMUL(LDK(KP500000000), VADD(T3, T5)));
ST(&(Rm[0]), T7, -ms, &(Rm[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(1, 1),
{ TW_NEXT, VL, 0 }
};
static const hc2c_desc desc = { 2, XSIMD_STRING("hc2cfdftv_2"), twinstr, &GENUS, { 3, 4, 2, 0 } };
void XSIMD(codelet_hc2cfdftv_2) (planner *p) {
X(khc2c_register) (p, hc2cfdftv_2, &desc, HC2C_VIA_DFT);
}
#else
/* Generated by: ../../../genfft/gen_hc2cdft_c.native -simd -compact -variables 4 -pipeline-latency 8 -trivial-stores -variables 32 -no-generate-bytw -n 2 -dit -name hc2cfdftv_2 -include rdft/simd/hc2cfv.h */
/*
* This function contains 5 FP additions, 4 FP multiplications,
* (or, 5 additions, 4 multiplications, 0 fused multiply/add),
* 10 stack variables, 1 constants, and 4 memory accesses
*/
#include "rdft/simd/hc2cfv.h"
static void hc2cfdftv_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
{
INT m;
for (m = mb, W = W + ((mb - 1) * ((TWVL / VL) * 2)); m < me; m = m + VL, Rp = Rp + (VL * ms), Ip = Ip + (VL * ms), Rm = Rm - (VL * ms), Im = Im - (VL * ms), W = W + (TWVL * 2), MAKE_VOLATILE_STRIDE(8, rs)) {
V T4, T6, T1, T3, T2, T5, T7, T8;
T1 = LD(&(Rp[0]), ms, &(Rp[0]));
T2 = LD(&(Rm[0]), -ms, &(Rm[0]));
T3 = VCONJ(T2);
T4 = VADD(T1, T3);
T5 = LDW(&(W[0]));
T6 = VZMULIJ(T5, VSUB(T3, T1));
T7 = VCONJ(VMUL(LDK(KP500000000), VSUB(T4, T6)));
ST(&(Rm[0]), T7, -ms, &(Rm[0]));
T8 = VMUL(LDK(KP500000000), VADD(T4, T6));
ST(&(Rp[0]), T8, ms, &(Rp[0]));
}
}
VLEAVE();
}
static const tw_instr twinstr[] = {
VTW(1, 1),
{ TW_NEXT, VL, 0 }
};
static const hc2c_desc desc = { 2, XSIMD_STRING("hc2cfdftv_2"), twinstr, &GENUS, { 5, 4, 0, 0 } };
void XSIMD(codelet_hc2cfdftv_2) (planner *p) {
X(khc2c_register) (p, hc2cfdftv_2, &desc, HC2C_VIA_DFT);
}
#endif