167 lines
4.8 KiB
C
167 lines
4.8 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 10:46:50 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -dif -name hb_3 -include rdft/scalar/hb.h */
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/*
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* This function contains 16 FP additions, 14 FP multiplications,
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* (or, 6 additions, 4 multiplications, 10 fused multiply/add),
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* 17 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb_3(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(6, rs)) {
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E T1, T4, T6, Tg, Td, Te, T9, Tf;
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{
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E T2, T3, T7, T8;
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T1 = cr[0];
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T2 = cr[WS(rs, 1)];
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T3 = ci[0];
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T4 = T2 + T3;
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T6 = FNMS(KP500000000, T4, T1);
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Tg = T2 - T3;
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Td = ci[WS(rs, 2)];
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T7 = ci[WS(rs, 1)];
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T8 = cr[WS(rs, 2)];
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Te = T7 - T8;
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T9 = T7 + T8;
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Tf = FNMS(KP500000000, Te, Td);
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}
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cr[0] = T1 + T4;
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ci[0] = Td + Te;
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{
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E Th, T5, Tb, Tc, Ti, Ta;
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Th = FMA(KP866025403, Tg, Tf);
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Ta = FNMS(KP866025403, T9, T6);
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T5 = W[0];
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Tb = T5 * Ta;
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Tc = W[1];
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Ti = Tc * Ta;
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cr[WS(rs, 1)] = FNMS(Tc, Th, Tb);
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ci[WS(rs, 1)] = FMA(T5, Th, Ti);
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}
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{
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E Tn, Tj, Tl, Tm, To, Tk;
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Tn = FNMS(KP866025403, Tg, Tf);
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Tk = FMA(KP866025403, T9, T6);
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Tj = W[2];
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Tl = Tj * Tk;
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Tm = W[3];
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To = Tm * Tk;
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cr[WS(rs, 2)] = FNMS(Tm, Tn, Tl);
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ci[WS(rs, 2)] = FMA(Tj, Tn, To);
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}
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}
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}
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}
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static const tw_instr twinstr[] = {
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{ TW_FULL, 1, 3 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 3, "hb_3", twinstr, &GENUS, { 6, 4, 10, 0 } };
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void X(codelet_hb_3) (planner *p) {
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X(khc2hc_register) (p, hb_3, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -dif -name hb_3 -include rdft/scalar/hb.h */
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/*
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* This function contains 16 FP additions, 12 FP multiplications,
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* (or, 10 additions, 6 multiplications, 6 fused multiply/add),
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* 15 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb_3(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(6, rs)) {
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E T1, T4, Ta, Te, T5, T8, Tb, Tf;
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{
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E T2, T3, T6, T7;
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T1 = cr[0];
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T2 = cr[WS(rs, 1)];
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T3 = ci[0];
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T4 = T2 + T3;
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Ta = FNMS(KP500000000, T4, T1);
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Te = KP866025403 * (T2 - T3);
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T5 = ci[WS(rs, 2)];
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T6 = ci[WS(rs, 1)];
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T7 = cr[WS(rs, 2)];
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T8 = T6 - T7;
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Tb = KP866025403 * (T6 + T7);
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Tf = FNMS(KP500000000, T8, T5);
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}
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cr[0] = T1 + T4;
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ci[0] = T5 + T8;
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{
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E Tc, Tg, T9, Td;
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Tc = Ta - Tb;
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Tg = Te + Tf;
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T9 = W[0];
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Td = W[1];
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cr[WS(rs, 1)] = FNMS(Td, Tg, T9 * Tc);
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ci[WS(rs, 1)] = FMA(T9, Tg, Td * Tc);
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}
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{
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E Ti, Tk, Th, Tj;
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Ti = Ta + Tb;
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Tk = Tf - Te;
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Th = W[2];
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Tj = W[3];
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cr[WS(rs, 2)] = FNMS(Tj, Tk, Th * Ti);
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ci[WS(rs, 2)] = FMA(Th, Tk, Tj * Ti);
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}
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}
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}
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}
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static const tw_instr twinstr[] = {
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{ TW_FULL, 1, 3 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 3, "hb_3", twinstr, &GENUS, { 10, 6, 6, 0 } };
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void X(codelet_hb_3) (planner *p) {
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X(khc2hc_register) (p, hb_3, &desc);
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}
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#endif
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