203 lines
6.4 KiB
C
203 lines
6.4 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 10:45:59 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.native -fma -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -n 4 -name t2sv_4 -include dft/simd/ts.h */
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/*
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* This function contains 24 FP additions, 16 FP multiplications,
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* (or, 16 additions, 8 multiplications, 8 fused multiply/add),
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* 21 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/simd/ts.h"
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static void t2sv_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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for (m = mb, W = W + (mb * 4); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 4), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T2, T6, T3, T5, T7, Tb, T4, Ta;
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T2 = LDW(&(W[0]));
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T6 = LDW(&(W[TWVL * 3]));
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T3 = LDW(&(W[TWVL * 2]));
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T4 = VMUL(T2, T3);
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Ta = VMUL(T2, T6);
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T5 = LDW(&(W[TWVL * 1]));
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T7 = VFMA(T5, T6, T4);
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Tb = VFNMS(T5, T3, Ta);
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{
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V T1, Tx, Td, Tw, Ti, Tq, Tm, Ts;
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T1 = LD(&(ri[0]), ms, &(ri[0]));
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Tx = LD(&(ii[0]), ms, &(ii[0]));
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{
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V T8, T9, Tc, Tv;
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T8 = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
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T9 = VMUL(T7, T8);
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Tc = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
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Tv = VMUL(T7, Tc);
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Td = VFMA(Tb, Tc, T9);
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Tw = VFNMS(Tb, T8, Tv);
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}
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{
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V Tf, Tg, Th, Tp;
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Tf = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
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Tg = VMUL(T2, Tf);
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Th = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
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Tp = VMUL(T2, Th);
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Ti = VFMA(T5, Th, Tg);
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Tq = VFNMS(T5, Tf, Tp);
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}
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{
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V Tj, Tk, Tl, Tr;
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Tj = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
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Tk = VMUL(T3, Tj);
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Tl = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
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Tr = VMUL(T3, Tl);
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Tm = VFMA(T6, Tl, Tk);
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Ts = VFNMS(T6, Tj, Tr);
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}
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{
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V Te, Tn, Tu, Ty;
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Te = VADD(T1, Td);
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Tn = VADD(Ti, Tm);
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ST(&(ri[WS(rs, 2)]), VSUB(Te, Tn), ms, &(ri[0]));
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ST(&(ri[0]), VADD(Te, Tn), ms, &(ri[0]));
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Tu = VADD(Tq, Ts);
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Ty = VADD(Tw, Tx);
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ST(&(ii[0]), VADD(Tu, Ty), ms, &(ii[0]));
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ST(&(ii[WS(rs, 2)]), VSUB(Ty, Tu), ms, &(ii[0]));
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}
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{
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V To, Tt, Tz, TA;
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To = VSUB(T1, Td);
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Tt = VSUB(Tq, Ts);
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ST(&(ri[WS(rs, 3)]), VSUB(To, Tt), ms, &(ri[WS(rs, 1)]));
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ST(&(ri[WS(rs, 1)]), VADD(To, Tt), ms, &(ri[WS(rs, 1)]));
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Tz = VSUB(Tx, Tw);
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TA = VSUB(Ti, Tm);
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ST(&(ii[WS(rs, 1)]), VSUB(Tz, TA), ms, &(ii[WS(rs, 1)]));
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ST(&(ii[WS(rs, 3)]), VADD(TA, Tz), ms, &(ii[WS(rs, 1)]));
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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, (2 * VL), 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t2sv_4"), twinstr, &GENUS, { 16, 8, 8, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2sv_4) (planner *p) {
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X(kdft_dit_register) (p, t2sv_4, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twiddle.native -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -n 4 -name t2sv_4 -include dft/simd/ts.h */
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/*
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* This function contains 24 FP additions, 16 FP multiplications,
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* (or, 16 additions, 8 multiplications, 8 fused multiply/add),
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* 21 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/simd/ts.h"
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static void t2sv_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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for (m = mb, W = W + (mb * 4); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 4), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T2, T4, T3, T5, T6, T8;
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T2 = LDW(&(W[0]));
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T4 = LDW(&(W[TWVL * 1]));
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T3 = LDW(&(W[TWVL * 2]));
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T5 = LDW(&(W[TWVL * 3]));
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T6 = VFMA(T2, T3, VMUL(T4, T5));
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T8 = VFNMS(T4, T3, VMUL(T2, T5));
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{
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V T1, Tp, Ta, To, Te, Tk, Th, Tl, T7, T9;
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T1 = LD(&(ri[0]), ms, &(ri[0]));
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Tp = LD(&(ii[0]), ms, &(ii[0]));
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T7 = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
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T9 = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
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Ta = VFMA(T6, T7, VMUL(T8, T9));
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To = VFNMS(T8, T7, VMUL(T6, T9));
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{
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V Tc, Td, Tf, Tg;
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Tc = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
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Td = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
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Te = VFMA(T2, Tc, VMUL(T4, Td));
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Tk = VFNMS(T4, Tc, VMUL(T2, Td));
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Tf = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
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Tg = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
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Th = VFMA(T3, Tf, VMUL(T5, Tg));
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Tl = VFNMS(T5, Tf, VMUL(T3, Tg));
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}
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{
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V Tb, Ti, Tn, Tq;
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Tb = VADD(T1, Ta);
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Ti = VADD(Te, Th);
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ST(&(ri[WS(rs, 2)]), VSUB(Tb, Ti), ms, &(ri[0]));
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ST(&(ri[0]), VADD(Tb, Ti), ms, &(ri[0]));
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Tn = VADD(Tk, Tl);
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Tq = VADD(To, Tp);
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ST(&(ii[0]), VADD(Tn, Tq), ms, &(ii[0]));
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ST(&(ii[WS(rs, 2)]), VSUB(Tq, Tn), ms, &(ii[0]));
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}
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{
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V Tj, Tm, Tr, Ts;
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Tj = VSUB(T1, Ta);
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Tm = VSUB(Tk, Tl);
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ST(&(ri[WS(rs, 3)]), VSUB(Tj, Tm), ms, &(ri[WS(rs, 1)]));
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ST(&(ri[WS(rs, 1)]), VADD(Tj, Tm), ms, &(ri[WS(rs, 1)]));
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Tr = VSUB(Tp, To);
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Ts = VSUB(Te, Th);
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ST(&(ii[WS(rs, 1)]), VSUB(Tr, Ts), ms, &(ii[WS(rs, 1)]));
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ST(&(ii[WS(rs, 3)]), VADD(Ts, Tr), ms, &(ii[WS(rs, 1)]));
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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, (2 * VL), 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t2sv_4"), twinstr, &GENUS, { 16, 8, 8, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t2sv_4) (planner *p) {
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X(kdft_dit_register) (p, t2sv_4, &desc);
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}
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#endif
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