303 lines
9.3 KiB
C
303 lines
9.3 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 10:45:15 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_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 12 -name n2bv_12 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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/*
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* This function contains 48 FP additions, 20 FP multiplications,
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* (or, 30 additions, 2 multiplications, 18 fused multiply/add),
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* 33 stack variables, 2 constants, and 30 memory accesses
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*/
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#include "dft/simd/n2b.h"
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static void n2bv_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT i;
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const R *xi;
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R *xo;
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xi = ii;
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xo = io;
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for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(24, is), MAKE_VOLATILE_STRIDE(24, os)) {
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V T5, Ta, TJ, TB, Tq, Tp, Tg, Tl, TG, Ty, Tt, Ts;
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{
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V T1, T6, T4, Tz, T9, TA;
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T1 = LD(&(xi[0]), ivs, &(xi[0]));
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T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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{
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V T2, T3, T7, T8;
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T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
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T4 = VADD(T2, T3);
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Tz = VSUB(T2, T3);
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T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
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T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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T9 = VADD(T7, T8);
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TA = VSUB(T7, T8);
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}
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T5 = VADD(T1, T4);
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Ta = VADD(T6, T9);
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TJ = VSUB(Tz, TA);
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TB = VADD(Tz, TA);
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Tq = VFNMS(LDK(KP500000000), T9, T6);
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Tp = VFNMS(LDK(KP500000000), T4, T1);
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}
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{
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V Tc, Th, Tf, Tw, Tk, Tx;
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Tc = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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Th = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
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{
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V Td, Te, Ti, Tj;
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Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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Te = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
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Tf = VADD(Td, Te);
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Tw = VSUB(Td, Te);
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Ti = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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Tj = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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Tk = VADD(Ti, Tj);
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Tx = VSUB(Tj, Ti);
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}
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Tg = VADD(Tc, Tf);
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Tl = VADD(Th, Tk);
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TG = VADD(Tw, Tx);
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Ty = VSUB(Tw, Tx);
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Tt = VFNMS(LDK(KP500000000), Tk, Th);
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Ts = VFNMS(LDK(KP500000000), Tf, Tc);
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}
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{
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V TN, TO, TP, TQ, TR, TS;
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{
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V Tb, Tm, Tn, To;
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Tb = VSUB(T5, Ta);
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Tm = VSUB(Tg, Tl);
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TN = VFNMSI(Tm, Tb);
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STM2(&(xo[6]), TN, ovs, &(xo[2]));
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TO = VFMAI(Tm, Tb);
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STM2(&(xo[18]), TO, ovs, &(xo[2]));
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Tn = VADD(T5, Ta);
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To = VADD(Tg, Tl);
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TP = VSUB(Tn, To);
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STM2(&(xo[12]), TP, ovs, &(xo[0]));
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TQ = VADD(Tn, To);
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STM2(&(xo[0]), TQ, ovs, &(xo[0]));
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}
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{
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V TC, TE, Tv, TD, Tr, Tu, TT, TU;
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TC = VMUL(LDK(KP866025403), VSUB(Ty, TB));
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TE = VMUL(LDK(KP866025403), VADD(TB, Ty));
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Tr = VADD(Tp, Tq);
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Tu = VADD(Ts, Tt);
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Tv = VSUB(Tr, Tu);
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TD = VADD(Tr, Tu);
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TR = VFNMSI(TC, Tv);
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STM2(&(xo[20]), TR, ovs, &(xo[0]));
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TS = VFMAI(TE, TD);
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STM2(&(xo[8]), TS, ovs, &(xo[0]));
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TT = VFMAI(TC, Tv);
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STM2(&(xo[4]), TT, ovs, &(xo[0]));
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STN2(&(xo[4]), TT, TN, ovs);
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TU = VFNMSI(TE, TD);
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STM2(&(xo[16]), TU, ovs, &(xo[0]));
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STN2(&(xo[16]), TU, TO, ovs);
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}
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{
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V TH, TL, TK, TM, TF, TI;
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TF = VSUB(Tp, Tq);
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TH = VFNMS(LDK(KP866025403), TG, TF);
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TL = VFMA(LDK(KP866025403), TG, TF);
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TI = VSUB(Ts, Tt);
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TK = VFMA(LDK(KP866025403), TJ, TI);
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TM = VFNMS(LDK(KP866025403), TJ, TI);
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{
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V TV, TW, TX, TY;
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TV = VFMAI(TK, TH);
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STM2(&(xo[2]), TV, ovs, &(xo[2]));
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STN2(&(xo[0]), TQ, TV, ovs);
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TW = VFNMSI(TM, TL);
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STM2(&(xo[14]), TW, ovs, &(xo[2]));
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STN2(&(xo[12]), TP, TW, ovs);
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TX = VFNMSI(TK, TH);
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STM2(&(xo[22]), TX, ovs, &(xo[2]));
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STN2(&(xo[20]), TR, TX, ovs);
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TY = VFMAI(TM, TL);
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STM2(&(xo[10]), TY, ovs, &(xo[2]));
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STN2(&(xo[8]), TS, TY, ovs);
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}
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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 kdft_desc desc = { 12, XSIMD_STRING("n2bv_12"), { 30, 2, 18, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2bv_12) (planner *p) { X(kdft_register) (p, n2bv_12, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 12 -name n2bv_12 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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/*
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* This function contains 48 FP additions, 8 FP multiplications,
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* (or, 44 additions, 4 multiplications, 4 fused multiply/add),
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* 33 stack variables, 2 constants, and 30 memory accesses
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*/
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#include "dft/simd/n2b.h"
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static void n2bv_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT i;
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const R *xi;
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R *xo;
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xi = ii;
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xo = io;
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for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(24, is), MAKE_VOLATILE_STRIDE(24, os)) {
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V T5, Ta, TG, TF, Ty, Tm, Ti, Tp, TJ, TI, Tx, Ts;
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{
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V T1, T6, T4, Tk, T9, Tl;
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T1 = LD(&(xi[0]), ivs, &(xi[0]));
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T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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{
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V T2, T3, T7, T8;
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T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
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T4 = VADD(T2, T3);
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Tk = VSUB(T2, T3);
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T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
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T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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T9 = VADD(T7, T8);
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Tl = VSUB(T7, T8);
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}
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T5 = VFNMS(LDK(KP500000000), T4, T1);
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Ta = VFNMS(LDK(KP500000000), T9, T6);
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TG = VADD(T6, T9);
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TF = VADD(T1, T4);
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Ty = VADD(Tk, Tl);
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Tm = VMUL(LDK(KP866025403), VSUB(Tk, Tl));
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}
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{
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V Tn, Tq, Te, To, Th, Tr;
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Tn = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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Tq = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
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{
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V Tc, Td, Tf, Tg;
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Tc = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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Td = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
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Te = VSUB(Tc, Td);
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To = VADD(Tc, Td);
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Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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Tg = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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Th = VSUB(Tf, Tg);
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Tr = VADD(Tf, Tg);
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}
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Ti = VMUL(LDK(KP866025403), VSUB(Te, Th));
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Tp = VFNMS(LDK(KP500000000), To, Tn);
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TJ = VADD(Tq, Tr);
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TI = VADD(Tn, To);
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Tx = VADD(Te, Th);
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Ts = VFNMS(LDK(KP500000000), Tr, Tq);
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}
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{
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V TN, TO, TP, TQ, TR, TS;
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{
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V TH, TK, TL, TM;
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TH = VSUB(TF, TG);
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TK = VBYI(VSUB(TI, TJ));
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TN = VSUB(TH, TK);
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STM2(&(xo[6]), TN, ovs, &(xo[2]));
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TO = VADD(TH, TK);
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STM2(&(xo[18]), TO, ovs, &(xo[2]));
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TL = VADD(TF, TG);
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TM = VADD(TI, TJ);
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TP = VSUB(TL, TM);
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STM2(&(xo[12]), TP, ovs, &(xo[0]));
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TQ = VADD(TL, TM);
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STM2(&(xo[0]), TQ, ovs, &(xo[0]));
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}
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{
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V Tj, Tv, Tu, Tw, Tb, Tt, TT, TU;
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Tb = VSUB(T5, Ta);
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Tj = VSUB(Tb, Ti);
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Tv = VADD(Tb, Ti);
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Tt = VSUB(Tp, Ts);
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Tu = VBYI(VADD(Tm, Tt));
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Tw = VBYI(VSUB(Tt, Tm));
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TR = VSUB(Tj, Tu);
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STM2(&(xo[22]), TR, ovs, &(xo[2]));
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TS = VADD(Tv, Tw);
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STM2(&(xo[10]), TS, ovs, &(xo[2]));
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TT = VADD(Tj, Tu);
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STM2(&(xo[2]), TT, ovs, &(xo[2]));
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STN2(&(xo[0]), TQ, TT, ovs);
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TU = VSUB(Tv, Tw);
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STM2(&(xo[14]), TU, ovs, &(xo[2]));
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STN2(&(xo[12]), TP, TU, ovs);
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}
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{
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V Tz, TD, TC, TE, TA, TB;
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Tz = VBYI(VMUL(LDK(KP866025403), VSUB(Tx, Ty)));
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TD = VBYI(VMUL(LDK(KP866025403), VADD(Ty, Tx)));
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TA = VADD(T5, Ta);
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TB = VADD(Tp, Ts);
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TC = VSUB(TA, TB);
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TE = VADD(TA, TB);
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{
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V TV, TW, TX, TY;
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TV = VADD(Tz, TC);
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STM2(&(xo[4]), TV, ovs, &(xo[0]));
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STN2(&(xo[4]), TV, TN, ovs);
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TW = VSUB(TE, TD);
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STM2(&(xo[16]), TW, ovs, &(xo[0]));
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STN2(&(xo[16]), TW, TO, ovs);
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TX = VSUB(TC, Tz);
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STM2(&(xo[20]), TX, ovs, &(xo[0]));
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STN2(&(xo[20]), TX, TR, ovs);
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TY = VADD(TD, TE);
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STM2(&(xo[8]), TY, ovs, &(xo[0]));
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STN2(&(xo[8]), TY, TS, ovs);
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}
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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 kdft_desc desc = { 12, XSIMD_STRING("n2bv_12"), { 44, 4, 4, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2bv_12) (planner *p) { X(kdft_register) (p, n2bv_12, &desc);
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}
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#endif
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