135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:45:42 EDT 2021 */
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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t2fv_4 -include dft/simd/t2f.h */
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/*
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* This function contains 11 FP additions, 8 FP multiplications,
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* (or, 9 additions, 6 multiplications, 2 fused multiply/add),
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* 13 stack variables, 0 constants, and 8 memory accesses
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*/
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#include "dft/simd/t2f.h"
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static void t2fv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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{
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INT m;
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R *x;
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x = ri;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 6)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(4, rs)) {
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V T1, T8, T3, T6, T7, T2, T5;
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T1 = LD(&(x[0]), ms, &(x[0]));
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T7 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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T8 = BYTWJ(&(W[TWVL * 4]), T7);
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T2 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T3 = BYTWJ(&(W[TWVL * 2]), T2);
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T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T6 = BYTWJ(&(W[0]), T5);
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{
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V T4, T9, Ta, Tb;
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T4 = VSUB(T1, T3);
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T9 = VSUB(T6, T8);
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ST(&(x[WS(rs, 1)]), VFNMSI(T9, T4), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VFMAI(T9, T4), ms, &(x[WS(rs, 1)]));
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Ta = VADD(T1, T3);
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Tb = VADD(T6, T8);
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ST(&(x[WS(rs, 2)]), VSUB(Ta, Tb), ms, &(x[0]));
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ST(&(x[0]), VADD(Ta, Tb), ms, &(x[0]));
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t2fv_4"), twinstr, &GENUS, { 9, 6, 2, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2fv_4) (planner *p) {
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X(kdft_dit_register) (p, t2fv_4, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t2fv_4 -include dft/simd/t2f.h */
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/*
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* This function contains 11 FP additions, 6 FP multiplications,
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* (or, 11 additions, 6 multiplications, 0 fused multiply/add),
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* 13 stack variables, 0 constants, and 8 memory accesses
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*/
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#include "dft/simd/t2f.h"
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static void t2fv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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{
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INT m;
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R *x;
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x = ri;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 6)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(4, rs)) {
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V T1, T8, T3, T6, T7, T2, T5;
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T1 = LD(&(x[0]), ms, &(x[0]));
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T7 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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T8 = BYTWJ(&(W[TWVL * 4]), T7);
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T2 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T3 = BYTWJ(&(W[TWVL * 2]), T2);
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T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T6 = BYTWJ(&(W[0]), T5);
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{
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V T4, T9, Ta, Tb;
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T4 = VSUB(T1, T3);
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T9 = VBYI(VSUB(T6, T8));
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ST(&(x[WS(rs, 1)]), VSUB(T4, T9), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VADD(T4, T9), ms, &(x[WS(rs, 1)]));
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Ta = VADD(T1, T3);
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Tb = VADD(T6, T8);
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ST(&(x[WS(rs, 2)]), VSUB(Ta, Tb), ms, &(x[0]));
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ST(&(x[0]), VADD(Ta, Tb), ms, &(x[0]));
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t2fv_4"), twinstr, &GENUS, { 11, 6, 0, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2fv_4) (planner *p) {
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X(kdft_dit_register) (p, t2fv_4, &desc);
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}
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#endif
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