mirror of
https://github.com/tildearrow/furnace.git
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97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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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 10:46:47 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_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -name r2cb_3 -include rdft/scalar/r2cb.h */
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/*
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* This function contains 4 FP additions, 3 FP multiplications,
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* (or, 1 additions, 0 multiplications, 3 fused multiply/add),
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* 7 stack variables, 2 constants, and 6 memory accesses
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*/
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#include "rdft/scalar/r2cb.h"
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static void r2cb_3(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(KP1_732050807, +1.732050807568877293527446341505872366942805254);
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DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
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E T4, T1, T2, T3;
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T4 = Ci[WS(csi, 1)];
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T1 = Cr[0];
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T2 = Cr[WS(csr, 1)];
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T3 = T1 - T2;
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R0[0] = FMA(KP2_000000000, T2, T1);
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R0[WS(rs, 1)] = FMA(KP1_732050807, T4, T3);
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R1[0] = FNMS(KP1_732050807, T4, T3);
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}
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}
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}
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static const kr2c_desc desc = { 3, "r2cb_3", { 1, 0, 3, 0 }, &GENUS };
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void X(codelet_r2cb_3) (planner *p) { X(kr2c_register) (p, r2cb_3, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 3 -name r2cb_3 -include rdft/scalar/r2cb.h */
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/*
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* This function contains 4 FP additions, 2 FP multiplications,
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* (or, 3 additions, 1 multiplications, 1 fused multiply/add),
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* 8 stack variables, 2 constants, and 6 memory accesses
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*/
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#include "rdft/scalar/r2cb.h"
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static void r2cb_3(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(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
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E T5, T1, T2, T3, T4;
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T4 = Ci[WS(csi, 1)];
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T5 = KP1_732050807 * T4;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 1)];
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T3 = T1 - T2;
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R0[0] = FMA(KP2_000000000, T2, T1);
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R0[WS(rs, 1)] = T3 + T5;
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R1[0] = T3 - T5;
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}
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}
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}
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static const kr2c_desc desc = { 3, "r2cb_3", { 3, 1, 1, 0 }, &GENUS };
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void X(codelet_r2cb_3) (planner *p) { X(kr2c_register) (p, r2cb_3, &desc);
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}
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#endif
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