mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-16 09:45:06 +00:00
313 lines
9.8 KiB
C
313 lines
9.8 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 16 -name r2cfII_16 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 66 FP additions, 48 FP multiplications,
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* (or, 18 additions, 0 multiplications, 48 fused multiply/add),
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* 32 stack variables, 7 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_16(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(KP980785280, +0.980785280403230449126182236134239036973933731);
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DK(KP198912367, +0.198912367379658006911597622644676228597850501);
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DK(KP831469612, +0.831469612302545237078788377617905756738560812);
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DK(KP668178637, +0.668178637919298919997757686523080761552472251);
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DK(KP923879532, +0.923879532511286756128183189396788286822416626);
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DK(KP414213562, +0.414213562373095048801688724209698078569671875);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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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(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T5, TZ, TB, TT, Tr, TK, Tu, TJ, Ti, TH, Tl, TG, Tc, T10, TE;
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E TU;
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{
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E T1, TR, T4, TS, T2, T3;
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T1 = R0[0];
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TR = R0[WS(rs, 4)];
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T2 = R0[WS(rs, 2)];
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T3 = R0[WS(rs, 6)];
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T4 = T2 - T3;
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TS = T2 + T3;
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T5 = FNMS(KP707106781, T4, T1);
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TZ = FNMS(KP707106781, TS, TR);
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TB = FMA(KP707106781, T4, T1);
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TT = FMA(KP707106781, TS, TR);
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}
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{
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E Tn, Ts, Tq, Tt, To, Tp;
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Tn = R1[WS(rs, 7)];
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Ts = R1[WS(rs, 3)];
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To = R1[WS(rs, 1)];
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Tp = R1[WS(rs, 5)];
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Tq = To - Tp;
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Tt = To + Tp;
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Tr = FMA(KP707106781, Tq, Tn);
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TK = FMA(KP707106781, Tt, Ts);
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Tu = FNMS(KP707106781, Tt, Ts);
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TJ = FMS(KP707106781, Tq, Tn);
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}
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{
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E Te, Tj, Th, Tk, Tf, Tg;
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Te = R1[0];
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Tj = R1[WS(rs, 4)];
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Tf = R1[WS(rs, 2)];
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Tg = R1[WS(rs, 6)];
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Th = Tf - Tg;
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Tk = Tf + Tg;
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Ti = FNMS(KP707106781, Th, Te);
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TH = FMA(KP707106781, Tk, Tj);
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Tl = FNMS(KP707106781, Tk, Tj);
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TG = FMA(KP707106781, Th, Te);
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}
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{
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E T8, TC, Tb, TD;
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{
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E T6, T7, T9, Ta;
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T6 = R0[WS(rs, 5)];
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T7 = R0[WS(rs, 1)];
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T8 = FMA(KP414213562, T7, T6);
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TC = FNMS(KP414213562, T6, T7);
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T9 = R0[WS(rs, 3)];
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Ta = R0[WS(rs, 7)];
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Tb = FMA(KP414213562, Ta, T9);
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TD = FMS(KP414213562, T9, Ta);
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}
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Tc = T8 - Tb;
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T10 = TD - TC;
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TE = TC + TD;
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TU = T8 + Tb;
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}
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{
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E Td, T13, Tw, T14, Tm, Tv;
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Td = FMA(KP923879532, Tc, T5);
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T13 = FNMS(KP923879532, T10, TZ);
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Tm = FMA(KP668178637, Tl, Ti);
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Tv = FMA(KP668178637, Tu, Tr);
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Tw = Tm - Tv;
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T14 = Tm + Tv;
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Cr[WS(csr, 6)] = FNMS(KP831469612, Tw, Td);
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Ci[WS(csi, 5)] = FNMS(KP831469612, T14, T13);
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Cr[WS(csr, 1)] = FMA(KP831469612, Tw, Td);
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Ci[WS(csi, 2)] = -(FMA(KP831469612, T14, T13));
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}
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{
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E Tx, T11, TA, T12, Ty, Tz;
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Tx = FNMS(KP923879532, Tc, T5);
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T11 = FMA(KP923879532, T10, TZ);
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Ty = FNMS(KP668178637, Tr, Tu);
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Tz = FNMS(KP668178637, Ti, Tl);
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TA = Ty - Tz;
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T12 = Tz + Ty;
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Cr[WS(csr, 5)] = FNMS(KP831469612, TA, Tx);
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Ci[WS(csi, 1)] = FMA(KP831469612, T12, T11);
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Cr[WS(csr, 2)] = FMA(KP831469612, TA, Tx);
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Ci[WS(csi, 6)] = FMS(KP831469612, T12, T11);
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}
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{
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E TF, TX, TM, TY, TI, TL;
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TF = FMA(KP923879532, TE, TB);
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TX = FNMS(KP923879532, TU, TT);
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TI = FNMS(KP198912367, TH, TG);
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TL = FMA(KP198912367, TK, TJ);
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TM = TI + TL;
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TY = TL - TI;
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Cr[WS(csr, 7)] = FNMS(KP980785280, TM, TF);
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Ci[WS(csi, 3)] = FMA(KP980785280, TY, TX);
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Cr[0] = FMA(KP980785280, TM, TF);
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Ci[WS(csi, 4)] = FMS(KP980785280, TY, TX);
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}
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{
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E TN, TV, TQ, TW, TO, TP;
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TN = FNMS(KP923879532, TE, TB);
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TV = FMA(KP923879532, TU, TT);
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TO = FMA(KP198912367, TG, TH);
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TP = FNMS(KP198912367, TJ, TK);
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TQ = TO - TP;
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TW = TO + TP;
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Cr[WS(csr, 4)] = FNMS(KP980785280, TQ, TN);
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Ci[WS(csi, 7)] = FNMS(KP980785280, TW, TV);
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Cr[WS(csr, 3)] = FMA(KP980785280, TQ, TN);
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Ci[0] = -(FMA(KP980785280, TW, TV));
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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 = { 16, "r2cfII_16", { 18, 0, 48, 0 }, &GENUS };
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void X(codelet_r2cfII_16) (planner *p) { X(kr2c_register) (p, r2cfII_16, &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 16 -name r2cfII_16 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 66 FP additions, 30 FP multiplications,
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* (or, 54 additions, 18 multiplications, 12 fused multiply/add),
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* 32 stack variables, 7 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_16(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(KP555570233, +0.555570233019602224742830813948532874374937191);
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DK(KP831469612, +0.831469612302545237078788377617905756738560812);
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DK(KP980785280, +0.980785280403230449126182236134239036973933731);
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DK(KP195090322, +0.195090322016128267848284868477022240927691618);
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DK(KP382683432, +0.382683432365089771728459984030398866761344562);
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DK(KP923879532, +0.923879532511286756128183189396788286822416626);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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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(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T5, T11, TB, TV, Tr, TK, Tu, TJ, Ti, TH, Tl, TG, Tc, T10, TE;
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E TS;
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{
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E T1, TU, T4, TT, T2, T3;
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T1 = R0[0];
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TU = R0[WS(rs, 4)];
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T2 = R0[WS(rs, 2)];
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T3 = R0[WS(rs, 6)];
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T4 = KP707106781 * (T2 - T3);
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TT = KP707106781 * (T2 + T3);
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T5 = T1 + T4;
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T11 = TU - TT;
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TB = T1 - T4;
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TV = TT + TU;
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}
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{
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E Tq, Tt, Tp, Ts, Tn, To;
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Tq = R1[WS(rs, 7)];
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Tt = R1[WS(rs, 3)];
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Tn = R1[WS(rs, 1)];
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To = R1[WS(rs, 5)];
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Tp = KP707106781 * (Tn - To);
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Ts = KP707106781 * (Tn + To);
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Tr = Tp - Tq;
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TK = Tt - Ts;
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Tu = Ts + Tt;
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TJ = Tp + Tq;
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}
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{
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E Te, Tk, Th, Tj, Tf, Tg;
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Te = R1[0];
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Tk = R1[WS(rs, 4)];
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Tf = R1[WS(rs, 2)];
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Tg = R1[WS(rs, 6)];
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Th = KP707106781 * (Tf - Tg);
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Tj = KP707106781 * (Tf + Tg);
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Ti = Te + Th;
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TH = Tk - Tj;
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Tl = Tj + Tk;
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TG = Te - Th;
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}
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{
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E T8, TC, Tb, TD;
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{
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E T6, T7, T9, Ta;
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T6 = R0[WS(rs, 1)];
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T7 = R0[WS(rs, 5)];
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T8 = FNMS(KP382683432, T7, KP923879532 * T6);
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TC = FMA(KP382683432, T6, KP923879532 * T7);
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T9 = R0[WS(rs, 3)];
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Ta = R0[WS(rs, 7)];
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Tb = FNMS(KP923879532, Ta, KP382683432 * T9);
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TD = FMA(KP923879532, T9, KP382683432 * Ta);
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}
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Tc = T8 + Tb;
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T10 = Tb - T8;
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TE = TC - TD;
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TS = TC + TD;
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}
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{
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E Td, TW, Tw, TR, Tm, Tv;
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Td = T5 - Tc;
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TW = TS + TV;
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Tm = FMA(KP195090322, Ti, KP980785280 * Tl);
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Tv = FNMS(KP980785280, Tu, KP195090322 * Tr);
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Tw = Tm + Tv;
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TR = Tv - Tm;
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Cr[WS(csr, 4)] = Td - Tw;
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Ci[WS(csi, 7)] = TR + TW;
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Cr[WS(csr, 3)] = Td + Tw;
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Ci[0] = TR - TW;
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}
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{
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E Tx, TY, TA, TX, Ty, Tz;
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Tx = T5 + Tc;
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TY = TV - TS;
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Ty = FNMS(KP195090322, Tl, KP980785280 * Ti);
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Tz = FMA(KP980785280, Tr, KP195090322 * Tu);
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TA = Ty + Tz;
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TX = Tz - Ty;
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Cr[WS(csr, 7)] = Tx - TA;
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Ci[WS(csi, 3)] = TX + TY;
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Cr[0] = Tx + TA;
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Ci[WS(csi, 4)] = TX - TY;
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}
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{
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E TF, T12, TM, TZ, TI, TL;
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TF = TB + TE;
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T12 = T10 - T11;
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TI = FMA(KP831469612, TG, KP555570233 * TH);
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TL = FMA(KP831469612, TJ, KP555570233 * TK);
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TM = TI - TL;
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TZ = TI + TL;
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Cr[WS(csr, 6)] = TF - TM;
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Ci[WS(csi, 2)] = T12 - TZ;
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Cr[WS(csr, 1)] = TF + TM;
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Ci[WS(csi, 5)] = -(TZ + T12);
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}
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{
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E TN, T14, TQ, T13, TO, TP;
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TN = TB - TE;
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T14 = T10 + T11;
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TO = FNMS(KP555570233, TJ, KP831469612 * TK);
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TP = FNMS(KP555570233, TG, KP831469612 * TH);
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TQ = TO - TP;
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T13 = TP + TO;
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Cr[WS(csr, 5)] = TN - TQ;
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Ci[WS(csi, 1)] = T13 + T14;
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Cr[WS(csr, 2)] = TN + TQ;
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Ci[WS(csi, 6)] = T13 - T14;
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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 = { 16, "r2cfII_16", { 54, 18, 12, 0 }, &GENUS };
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void X(codelet_r2cfII_16) (planner *p) { X(kr2c_register) (p, r2cfII_16, &desc);
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}
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#endif
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