155 lines
4.6 KiB
C
155 lines
4.6 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 10:46:10 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 8 -name r2cf_8 -include rdft/scalar/r2cf.h */
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/*
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* This function contains 20 FP additions, 4 FP multiplications,
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* (or, 16 additions, 0 multiplications, 4 fused multiply/add),
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* 14 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cf.h"
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static void r2cf_8(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(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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T3, T7, Td, Tj, T6, Tf, Ta, Ti;
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{
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E T1, T2, Tb, Tc;
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T1 = R0[0];
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T2 = R0[WS(rs, 2)];
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T3 = T1 + T2;
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T7 = T1 - T2;
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Tb = R1[WS(rs, 3)];
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Tc = R1[WS(rs, 1)];
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Td = Tb - Tc;
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Tj = Tb + Tc;
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}
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{
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E T4, T5, T8, T9;
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T4 = R0[WS(rs, 1)];
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T5 = R0[WS(rs, 3)];
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T6 = T4 + T5;
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Tf = T4 - T5;
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T8 = R1[0];
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T9 = R1[WS(rs, 2)];
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Ta = T8 - T9;
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Ti = T8 + T9;
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}
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Cr[WS(csr, 2)] = T3 - T6;
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Ci[WS(csi, 2)] = Tj - Ti;
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{
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E Te, Tg, Th, Tk;
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Te = Ta + Td;
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Cr[WS(csr, 3)] = FNMS(KP707106781, Te, T7);
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Cr[WS(csr, 1)] = FMA(KP707106781, Te, T7);
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Tg = Td - Ta;
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Ci[WS(csi, 1)] = FMS(KP707106781, Tg, Tf);
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Ci[WS(csi, 3)] = FMA(KP707106781, Tg, Tf);
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Th = T3 + T6;
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Tk = Ti + Tj;
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Cr[WS(csr, 4)] = Th - Tk;
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Cr[0] = Th + Tk;
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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 = { 8, "r2cf_8", { 16, 0, 4, 0 }, &GENUS };
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void X(codelet_r2cf_8) (planner *p) { X(kr2c_register) (p, r2cf_8, &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 8 -name r2cf_8 -include rdft/scalar/r2cf.h */
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/*
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* This function contains 20 FP additions, 2 FP multiplications,
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* (or, 20 additions, 2 multiplications, 0 fused multiply/add),
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* 14 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cf.h"
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static void r2cf_8(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(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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T3, T7, Td, Tj, T6, Tg, Ta, Ti;
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{
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E T1, T2, Tb, Tc;
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T1 = R0[0];
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T2 = R0[WS(rs, 2)];
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T3 = T1 + T2;
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T7 = T1 - T2;
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Tb = R1[WS(rs, 3)];
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Tc = R1[WS(rs, 1)];
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Td = Tb - Tc;
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Tj = Tb + Tc;
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}
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{
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E T4, T5, T8, T9;
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T4 = R0[WS(rs, 1)];
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T5 = R0[WS(rs, 3)];
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T6 = T4 + T5;
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Tg = T4 - T5;
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T8 = R1[0];
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T9 = R1[WS(rs, 2)];
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Ta = T8 - T9;
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Ti = T8 + T9;
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}
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Cr[WS(csr, 2)] = T3 - T6;
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Ci[WS(csi, 2)] = Tj - Ti;
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{
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E Te, Tf, Th, Tk;
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Te = KP707106781 * (Ta + Td);
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Cr[WS(csr, 3)] = T7 - Te;
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Cr[WS(csr, 1)] = T7 + Te;
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Tf = KP707106781 * (Td - Ta);
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Ci[WS(csi, 1)] = Tf - Tg;
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Ci[WS(csi, 3)] = Tg + Tf;
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Th = T3 + T6;
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Tk = Ti + Tj;
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Cr[WS(csr, 4)] = Th - Tk;
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Cr[0] = Th + Tk;
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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 = { 8, "r2cf_8", { 20, 2, 0, 0 }, &GENUS };
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void X(codelet_r2cf_8) (planner *p) { X(kr2c_register) (p, r2cf_8, &desc);
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}
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#endif
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