mirror of
https://github.com/tildearrow/furnace.git
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226 lines
7.1 KiB
C
226 lines
7.1 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 10:46:24 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_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 12 -name r2cfII_12 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 45 FP additions, 24 FP multiplications,
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* (or, 21 additions, 0 multiplications, 24 fused multiply/add),
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* 28 stack variables, 3 constants, and 24 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
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E Tx, Ty, T8, Tz, Tl, Tm, Tv, T5, TA, Tt, Te, Tf, Tu, T6, T7;
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E Tw, TF, TG;
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Tx = R0[WS(rs, 3)];
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T6 = R0[WS(rs, 5)];
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T7 = R0[WS(rs, 1)];
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Ty = T6 + T7;
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T8 = T6 - T7;
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Tz = FMA(KP500000000, Ty, Tx);
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{
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E Th, Ti, Tj, Tk;
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Th = R1[WS(rs, 4)];
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Ti = R1[WS(rs, 2)];
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Tj = R1[0];
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Tk = Ti - Tj;
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Tl = FMA(KP500000000, Tk, Th);
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Tm = Ti + Tj;
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Tv = Ti - Tj - Th;
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}
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{
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E T1, T2, T3, T4;
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T1 = R0[0];
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T2 = R0[WS(rs, 2)];
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T3 = R0[WS(rs, 4)];
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T4 = T2 - T3;
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T5 = FMA(KP500000000, T4, T1);
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TA = T3 + T2;
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Tt = T1 + T3 - T2;
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}
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{
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E Ta, Tb, Tc, Td;
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Ta = R1[WS(rs, 1)];
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Tb = R1[WS(rs, 3)];
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Tc = R1[WS(rs, 5)];
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Td = Tb - Tc;
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Te = FMA(KP500000000, Td, Ta);
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Tf = Tc + Tb;
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Tu = Ta + Tc - Tb;
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}
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Tw = Tu + Tv;
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Cr[WS(csr, 1)] = FNMS(KP707106781, Tw, Tt);
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Cr[WS(csr, 4)] = FMA(KP707106781, Tw, Tt);
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TF = Tx - Ty;
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TG = Tv - Tu;
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Ci[WS(csi, 4)] = FMS(KP707106781, TG, TF);
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Ci[WS(csi, 1)] = FMA(KP707106781, TG, TF);
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{
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E T9, TD, To, TE, Tg, Tn;
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T9 = FNMS(KP866025403, T8, T5);
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TD = FNMS(KP866025403, TA, Tz);
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Tg = FNMS(KP866025403, Tf, Te);
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Tn = FNMS(KP866025403, Tm, Tl);
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To = Tg - Tn;
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TE = Tg + Tn;
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Cr[WS(csr, 5)] = FNMS(KP707106781, To, T9);
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Ci[WS(csi, 3)] = FMA(KP707106781, TE, TD);
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Cr[0] = FMA(KP707106781, To, T9);
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Ci[WS(csi, 2)] = FMS(KP707106781, TE, TD);
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}
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{
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E Tp, TB, Ts, TC, Tq, Tr;
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Tp = FMA(KP866025403, T8, T5);
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TB = FMA(KP866025403, TA, Tz);
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Tq = FMA(KP866025403, Tm, Tl);
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Tr = FMA(KP866025403, Tf, Te);
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Ts = Tq - Tr;
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TC = Tr + Tq;
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Cr[WS(csr, 3)] = FNMS(KP707106781, Ts, Tp);
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Ci[WS(csi, 5)] = FNMS(KP707106781, TC, TB);
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Cr[WS(csr, 2)] = FMA(KP707106781, Ts, Tp);
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Ci[0] = -(FMA(KP707106781, TC, TB));
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}
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}
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}
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}
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static const kr2c_desc desc = { 12, "r2cfII_12", { 21, 0, 24, 0 }, &GENUS };
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void X(codelet_r2cfII_12) (planner *p) { X(kr2c_register) (p, r2cfII_12, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 12 -name r2cfII_12 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 43 FP additions, 12 FP multiplications,
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* (or, 39 additions, 8 multiplications, 4 fused multiply/add),
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* 28 stack variables, 5 constants, and 24 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP353553390, +0.353553390593273762200422181052424519642417969);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP612372435, +0.612372435695794524549321018676472847991486870);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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DK(KP866025403, +0.866025403784438646763723170752936183471402627);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
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E Tx, Tg, T4, Tz, Ty, Tj, TA, T9, Tm, Tl, Te, Tp, To, Tf, TE;
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E TF;
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{
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E T1, T3, T2, Th, Ti;
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T1 = R0[0];
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T3 = R0[WS(rs, 2)];
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T2 = R0[WS(rs, 4)];
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Tx = KP866025403 * (T2 + T3);
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Tg = FMA(KP500000000, T3 - T2, T1);
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T4 = T1 + T2 - T3;
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Tz = R0[WS(rs, 3)];
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Th = R0[WS(rs, 5)];
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Ti = R0[WS(rs, 1)];
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Ty = Th + Ti;
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Tj = KP866025403 * (Th - Ti);
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TA = FMA(KP500000000, Ty, Tz);
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}
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{
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E T5, T6, T7, T8;
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T5 = R1[WS(rs, 1)];
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T6 = R1[WS(rs, 5)];
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T7 = R1[WS(rs, 3)];
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T8 = T6 - T7;
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T9 = T5 + T8;
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Tm = KP612372435 * (T6 + T7);
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Tl = FNMS(KP353553390, T8, KP707106781 * T5);
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}
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{
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E Td, Ta, Tb, Tc;
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Td = R1[WS(rs, 4)];
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Ta = R1[WS(rs, 2)];
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Tb = R1[0];
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Tc = Ta - Tb;
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Te = Tc - Td;
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Tp = FMA(KP353553390, Tc, KP707106781 * Td);
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To = KP612372435 * (Ta + Tb);
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}
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Tf = KP707106781 * (T9 + Te);
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Cr[WS(csr, 1)] = T4 - Tf;
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Cr[WS(csr, 4)] = T4 + Tf;
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TE = KP707106781 * (Te - T9);
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TF = Tz - Ty;
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Ci[WS(csi, 4)] = TE - TF;
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Ci[WS(csi, 1)] = TE + TF;
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{
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E Tk, TB, Tr, Tw, Tn, Tq;
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Tk = Tg - Tj;
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TB = Tx - TA;
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Tn = Tl - Tm;
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Tq = To - Tp;
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Tr = Tn + Tq;
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Tw = Tn - Tq;
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Cr[WS(csr, 5)] = Tk - Tr;
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Ci[WS(csi, 2)] = Tw + TB;
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Cr[0] = Tk + Tr;
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Ci[WS(csi, 3)] = Tw - TB;
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}
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{
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E Ts, TD, Tv, TC, Tt, Tu;
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Ts = Tg + Tj;
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TD = Tx + TA;
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Tt = To + Tp;
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Tu = Tm + Tl;
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Tv = Tt - Tu;
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TC = Tu + Tt;
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Cr[WS(csr, 3)] = Ts - Tv;
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Ci[WS(csi, 5)] = TD - TC;
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Cr[WS(csr, 2)] = Ts + Tv;
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Ci[0] = -(TC + TD);
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}
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}
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}
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}
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static const kr2c_desc desc = { 12, "r2cfII_12", { 39, 8, 4, 0 }, &GENUS };
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void X(codelet_r2cfII_12) (planner *p) { X(kr2c_register) (p, r2cfII_12, &desc);
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}
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#endif
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