Chris@82: /*
Chris@82:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82:  *
Chris@82:  * This program is free software; you can redistribute it and/or modify
Chris@82:  * it under the terms of the GNU General Public License as published by
Chris@82:  * the Free Software Foundation; either version 2 of the License, or
Chris@82:  * (at your option) any later version.
Chris@82:  *
Chris@82:  * This program is distributed in the hope that it will be useful,
Chris@82:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@82:  * GNU General Public License for more details.
Chris@82:  *
Chris@82:  * You should have received a copy of the GNU General Public License
Chris@82:  * along with this program; if not, write to the Free Software
Chris@82:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@82:  *
Chris@82:  */
Chris@82: 
Chris@82: /* This file was automatically generated --- DO NOT EDIT */
Chris@82: /* Generated on Thu May 24 08:05:11 EDT 2018 */
Chris@82: 
Chris@82: #include "dft/codelet-dft.h"
Chris@82: 
Chris@82: #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
Chris@82: 
Chris@82: /* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 2 -name n2bv_2 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
Chris@82: 
Chris@82: /*
Chris@82:  * This function contains 2 FP additions, 0 FP multiplications,
Chris@82:  * (or, 2 additions, 0 multiplications, 0 fused multiply/add),
Chris@82:  * 7 stack variables, 0 constants, and 5 memory accesses
Chris@82:  */
Chris@82: #include "dft/simd/n2b.h"
Chris@82: 
Chris@82: static void n2bv_2(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
Chris@82: {
Chris@82:      {
Chris@82: 	  INT i;
Chris@82: 	  const R *xi;
Chris@82: 	  R *xo;
Chris@82: 	  xi = ii;
Chris@82: 	  xo = io;
Chris@82: 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(4, is), MAKE_VOLATILE_STRIDE(4, os)) {
Chris@82: 	       V T1, T2, T3, T4;
Chris@82: 	       T1 = LD(&(xi[0]), ivs, &(xi[0]));
Chris@82: 	       T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
Chris@82: 	       T3 = VSUB(T1, T2);
Chris@82: 	       STM2(&(xo[2]), T3, ovs, &(xo[2]));
Chris@82: 	       T4 = VADD(T1, T2);
Chris@82: 	       STM2(&(xo[0]), T4, ovs, &(xo[0]));
Chris@82: 	       STN2(&(xo[0]), T4, T3, ovs);
Chris@82: 	  }
Chris@82:      }
Chris@82:      VLEAVE();
Chris@82: }
Chris@82: 
Chris@82: static const kdft_desc desc = { 2, XSIMD_STRING("n2bv_2"), {2, 0, 0, 0}, &GENUS, 0, 2, 0, 0 };
Chris@82: 
Chris@82: void XSIMD(codelet_n2bv_2) (planner *p) {
Chris@82:      X(kdft_register) (p, n2bv_2, &desc);
Chris@82: }
Chris@82: 
Chris@82: #else
Chris@82: 
Chris@82: /* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 2 -name n2bv_2 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
Chris@82: 
Chris@82: /*
Chris@82:  * This function contains 2 FP additions, 0 FP multiplications,
Chris@82:  * (or, 2 additions, 0 multiplications, 0 fused multiply/add),
Chris@82:  * 7 stack variables, 0 constants, and 5 memory accesses
Chris@82:  */
Chris@82: #include "dft/simd/n2b.h"
Chris@82: 
Chris@82: static void n2bv_2(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
Chris@82: {
Chris@82:      {
Chris@82: 	  INT i;
Chris@82: 	  const R *xi;
Chris@82: 	  R *xo;
Chris@82: 	  xi = ii;
Chris@82: 	  xo = io;
Chris@82: 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(4, is), MAKE_VOLATILE_STRIDE(4, os)) {
Chris@82: 	       V T1, T2, T3, T4;
Chris@82: 	       T1 = LD(&(xi[0]), ivs, &(xi[0]));
Chris@82: 	       T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
Chris@82: 	       T3 = VSUB(T1, T2);
Chris@82: 	       STM2(&(xo[2]), T3, ovs, &(xo[2]));
Chris@82: 	       T4 = VADD(T1, T2);
Chris@82: 	       STM2(&(xo[0]), T4, ovs, &(xo[0]));
Chris@82: 	       STN2(&(xo[0]), T4, T3, ovs);
Chris@82: 	  }
Chris@82:      }
Chris@82:      VLEAVE();
Chris@82: }
Chris@82: 
Chris@82: static const kdft_desc desc = { 2, XSIMD_STRING("n2bv_2"), {2, 0, 0, 0}, &GENUS, 0, 2, 0, 0 };
Chris@82: 
Chris@82: void XSIMD(codelet_n2bv_2) (planner *p) {
Chris@82:      X(kdft_register) (p, n2bv_2, &desc);
Chris@82: }
Chris@82: 
Chris@82: #endif