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 10:45:12 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 -n 12 -name n2fv_12 -with-ostride 2 -include dft/simd/n2f.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/n2f.h"
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static void n2fv_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 = ri;
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xo = ro;
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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, TB, Tt, Ti, Tm, TJ, TI, TA, Tp;
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{
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V T1, T6, T4, Tr, T9, Ts;
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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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Tr = VSUB(T3, T2);
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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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Ts = VSUB(T8, T7);
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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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TB = VADD(Tr, Ts);
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Tt = VSUB(Tr, Ts);
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}
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{
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V Tk, Tn, Te, Tl, Th, To;
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Tk = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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Tn = 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, 11)]), ivs, &(xi[WS(is, 1)]));
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Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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Te = VSUB(Tc, Td);
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Tl = VADD(Td, Tc);
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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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To = VADD(Tf, Tg);
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}
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Ti = VADD(Te, Th);
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Tm = VFNMS(LDK(KP500000000), Tl, Tk);
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TJ = VADD(Tn, To);
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TI = VADD(Tk, Tl);
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TA = VSUB(Te, Th);
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Tp = VFNMS(LDK(KP500000000), To, Tn);
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}
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{
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V TN, TO, TP, TQ, TT, TU;
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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 = VSUB(TI, TJ);
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TN = VFNMSI(TK, TH);
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STM2(&(xo[18]), TN, ovs, &(xo[2]));
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TO = VFMAI(TK, TH);
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STM2(&(xo[6]), 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, Tq, TR, TS;
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Tb = VSUB(T5, Ta);
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Tj = VFMA(LDK(KP866025403), Ti, Tb);
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Tv = VFNMS(LDK(KP866025403), Ti, Tb);
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Tq = VSUB(Tm, Tp);
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Tu = VFNMS(LDK(KP866025403), Tt, Tq);
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Tw = VFMA(LDK(KP866025403), Tt, Tq);
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TR = VFNMSI(Tu, Tj);
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STM2(&(xo[2]), TR, ovs, &(xo[2]));
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STN2(&(xo[0]), TQ, TR, ovs);
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TS = VFMAI(Tw, Tv);
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STM2(&(xo[14]), TS, ovs, &(xo[2]));
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STN2(&(xo[12]), TP, TS, ovs);
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TT = VFMAI(Tu, Tj);
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STM2(&(xo[22]), TT, ovs, &(xo[2]));
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TU = VFNMSI(Tw, Tv);
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STM2(&(xo[10]), TU, ovs, &(xo[2]));
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}
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{
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V TC, TE, Tz, TD, Tx, Ty;
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TC = VMUL(LDK(KP866025403), VSUB(TA, TB));
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TE = VMUL(LDK(KP866025403), VADD(TB, TA));
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Tx = VADD(T5, Ta);
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Ty = VADD(Tm, Tp);
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Tz = VSUB(Tx, Ty);
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TD = VADD(Tx, Ty);
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{
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V TV, TW, TX, TY;
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TV = VFMAI(TC, Tz);
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STM2(&(xo[4]), TV, ovs, &(xo[0]));
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STN2(&(xo[4]), TV, TO, ovs);
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TW = VFNMSI(TE, TD);
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STM2(&(xo[16]), TW, ovs, &(xo[0]));
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STN2(&(xo[16]), TW, TN, ovs);
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TX = VFNMSI(TC, Tz);
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STM2(&(xo[20]), TX, ovs, &(xo[0]));
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STN2(&(xo[20]), TX, TT, ovs);
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TY = VFMAI(TE, TD);
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STM2(&(xo[8]), TY, ovs, &(xo[0]));
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STN2(&(xo[8]), TY, TU, 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("n2fv_12"), { 30, 2, 18, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2fv_12) (planner *p) { X(kdft_register) (p, n2fv_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 -n 12 -name n2fv_12 -with-ostride 2 -include dft/simd/n2f.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/n2f.h"
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static void n2fv_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(KP500000000, +0.500000000000000000000000000000000000000000000);
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DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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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 = ri;
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xo = ro;
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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, Ty, Tq, Tp, Tg, Tl, TI, TA, Tz, Tu;
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{
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V T1, T6, T4, Tw, T9, Tx;
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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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Tw = VSUB(T3, T2);
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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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Tx = VSUB(T8, T7);
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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 = VADD(Tw, Tx);
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Ty = VMUL(LDK(KP866025403), VSUB(Tw, Tx));
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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, Ts, Tk, Tt;
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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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Ts = VSUB(Te, Td);
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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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Tt = 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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TI = VADD(Ts, Tt);
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TA = VFNMS(LDK(KP500000000), Tk, Th);
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Tz = VFNMS(LDK(KP500000000), Tf, Tc);
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Tu = VMUL(LDK(KP866025403), VSUB(Ts, Tt));
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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 = VBYI(VSUB(Tg, Tl));
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TN = VSUB(Tb, Tm);
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STM2(&(xo[18]), TN, ovs, &(xo[2]));
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TO = VADD(Tb, Tm);
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STM2(&(xo[6]), 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 Tv, TE, TC, TD, Tr, TB, TT, TU;
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Tr = VSUB(Tp, Tq);
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Tv = VSUB(Tr, Tu);
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TE = VADD(Tr, Tu);
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TB = VSUB(Tz, TA);
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TC = VBYI(VADD(Ty, TB));
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TD = VBYI(VSUB(Ty, TB));
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TR = VSUB(Tv, TC);
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STM2(&(xo[10]), TR, ovs, &(xo[2]));
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TS = VSUB(TE, TD);
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STM2(&(xo[22]), TS, ovs, &(xo[2]));
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TT = VADD(TC, Tv);
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STM2(&(xo[14]), TT, ovs, &(xo[2]));
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STN2(&(xo[12]), TP, TT, ovs);
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TU = VADD(TD, TE);
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STM2(&(xo[2]), TU, ovs, &(xo[2]));
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STN2(&(xo[0]), TQ, TU, ovs);
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}
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{
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V TK, TM, TH, TL, TF, TG;
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TK = VBYI(VMUL(LDK(KP866025403), VSUB(TI, TJ)));
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TM = VBYI(VMUL(LDK(KP866025403), VADD(TJ, TI)));
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TF = VADD(Tp, Tq);
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TG = VADD(Tz, TA);
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TH = VSUB(TF, TG);
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TL = VADD(TF, TG);
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{
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V TV, TW, TX, TY;
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TV = VSUB(TH, TK);
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STM2(&(xo[20]), TV, ovs, &(xo[0]));
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STN2(&(xo[20]), TV, TS, ovs);
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TW = VADD(TL, TM);
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STM2(&(xo[8]), TW, ovs, &(xo[0]));
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STN2(&(xo[8]), TW, TR, ovs);
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TX = VADD(TH, TK);
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STM2(&(xo[4]), TX, ovs, &(xo[0]));
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STN2(&(xo[4]), TX, TO, ovs);
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TY = VSUB(TL, TM);
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STM2(&(xo[16]), TY, ovs, &(xo[0]));
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STN2(&(xo[16]), TY, TN, 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("n2fv_12"), { 44, 4, 4, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2fv_12) (planner *p) { X(kdft_register) (p, n2fv_12, &desc);
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}
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#endif
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