mirror of
https://github.com/tildearrow/furnace.git
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110 lines
4 KiB
C
110 lines
4 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 10:45:02 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 3 -name n1bv_3 -include dft/simd/n1b.h */
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/*
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* This function contains 6 FP additions, 4 FP multiplications,
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* (or, 3 additions, 1 multiplications, 3 fused multiply/add),
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* 11 stack variables, 2 constants, and 6 memory accesses
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*/
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#include "dft/simd/n1b.h"
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static void n1bv_3(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 = 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(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
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V T1, T4, T6, T2, T3, T5;
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T1 = LD(&(xi[0]), ivs, &(xi[0]));
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T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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T3 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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T4 = VADD(T2, T3);
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T6 = VMUL(LDK(KP866025403), VSUB(T2, T3));
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ST(&(xo[0]), VADD(T1, T4), ovs, &(xo[0]));
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T5 = VFNMS(LDK(KP500000000), T4, T1);
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ST(&(xo[WS(os, 1)]), VFMAI(T6, T5), ovs, &(xo[WS(os, 1)]));
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ST(&(xo[WS(os, 2)]), VFNMSI(T6, T5), ovs, &(xo[0]));
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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 = { 3, XSIMD_STRING("n1bv_3"), { 3, 1, 3, 0 }, &GENUS, 0, 0, 0, 0 };
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void XSIMD(codelet_n1bv_3) (planner *p) { X(kdft_register) (p, n1bv_3, &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 3 -name n1bv_3 -include dft/simd/n1b.h */
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/*
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* This function contains 6 FP additions, 2 FP multiplications,
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* (or, 5 additions, 1 multiplications, 1 fused multiply/add),
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* 11 stack variables, 2 constants, and 6 memory accesses
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*/
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#include "dft/simd/n1b.h"
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static void n1bv_3(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 = 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(6, is), MAKE_VOLATILE_STRIDE(6, os)) {
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V T4, T3, T5, T1, T2, T6;
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T4 = LD(&(xi[0]), ivs, &(xi[0]));
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T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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T2 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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T3 = VBYI(VMUL(LDK(KP866025403), VSUB(T1, T2)));
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T5 = VADD(T1, T2);
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ST(&(xo[0]), VADD(T4, T5), ovs, &(xo[0]));
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T6 = VFNMS(LDK(KP500000000), T5, T4);
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ST(&(xo[WS(os, 1)]), VADD(T3, T6), ovs, &(xo[WS(os, 1)]));
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ST(&(xo[WS(os, 2)]), VSUB(T6, T3), ovs, &(xo[0]));
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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 = { 3, XSIMD_STRING("n1bv_3"), { 5, 1, 1, 0 }, &GENUS, 0, 0, 0, 0 };
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void XSIMD(codelet_n1bv_3) (planner *p) { X(kdft_register) (p, n1bv_3, &desc);
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}
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#endif
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