145 lines
4.5 KiB
C
145 lines
4.5 KiB
C
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/*
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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 10:45:55 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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 4 -name t3bv_4 -include dft/simd/t3b.h -sign 1 */
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/*
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* This function contains 12 FP additions, 10 FP multiplications,
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* (or, 10 additions, 8 multiplications, 2 fused multiply/add),
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* 16 stack variables, 0 constants, and 8 memory accesses
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*/
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#include "dft/simd/t3b.h"
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static void t3bv_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 = ii;
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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(4, rs)) {
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V T2, T3, T4;
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T2 = LDW(&(W[0]));
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T3 = LDW(&(W[TWVL * 2]));
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T4 = VZMULJ(T2, T3);
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{
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V T1, Tb, T6, T9, Ta, T5, T8;
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T1 = LD(&(x[0]), ms, &(x[0]));
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Ta = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Tb = VZMUL(T3, Ta);
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T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T6 = VZMUL(T4, T5);
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T8 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T9 = VZMUL(T2, T8);
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{
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V T7, Tc, Td, Te;
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T7 = VSUB(T1, T6);
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Tc = VSUB(T9, Tb);
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ST(&(x[WS(rs, 3)]), VFNMSI(Tc, T7), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 1)]), VFMAI(Tc, T7), ms, &(x[WS(rs, 1)]));
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Td = VADD(T1, T6);
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Te = VADD(T9, Tb);
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ST(&(x[WS(rs, 2)]), VSUB(Td, Te), ms, &(x[0]));
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ST(&(x[0]), VADD(Td, Te), ms, &(x[0]));
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}
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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, 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("t3bv_4"), twinstr, &GENUS, { 10, 8, 2, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t3bv_4) (planner *p) {
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X(kdft_dit_register) (p, t3bv_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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 4 -name t3bv_4 -include dft/simd/t3b.h -sign 1 */
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/*
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* This function contains 12 FP additions, 8 FP multiplications,
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* (or, 12 additions, 8 multiplications, 0 fused multiply/add),
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* 16 stack variables, 0 constants, and 8 memory accesses
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*/
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#include "dft/simd/t3b.h"
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static void t3bv_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 = ii;
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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(4, rs)) {
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V T2, T3, T4;
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T2 = LDW(&(W[0]));
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T3 = LDW(&(W[TWVL * 2]));
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T4 = VZMULJ(T2, T3);
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{
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V T1, Tb, T6, T9, Ta, T5, T8;
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T1 = LD(&(x[0]), ms, &(x[0]));
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Ta = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Tb = VZMUL(T3, Ta);
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T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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T6 = VZMUL(T4, T5);
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T8 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T9 = VZMUL(T2, T8);
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{
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V T7, Tc, Td, Te;
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T7 = VSUB(T1, T6);
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Tc = VBYI(VSUB(T9, Tb));
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ST(&(x[WS(rs, 3)]), VSUB(T7, Tc), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 1)]), VADD(T7, Tc), ms, &(x[WS(rs, 1)]));
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Td = VADD(T1, T6);
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Te = VADD(T9, Tb);
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ST(&(x[WS(rs, 2)]), VSUB(Td, Te), ms, &(x[0]));
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ST(&(x[0]), VADD(Td, Te), ms, &(x[0]));
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}
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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, 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("t3bv_4"), twinstr, &GENUS, { 12, 8, 0, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t3bv_4) (planner *p) {
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X(kdft_dit_register) (p, t3bv_4, &desc);
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}
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#endif
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