text: /*
   * Copyright (c) 2003, 2007-14 Matteo Frigo
   * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   *
   */
  
  /* This file was automatically generated --- DO NOT EDIT */
  /* Generated on Thu Dec 10 07:05:34 EST 2020 */
  
  #include "dft/codelet-dft.h"
  
  #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
  
  /* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 4 -name t3bv_4 -include dft/simd/t3b.h -sign 1 */
  
  /*
   * This function contains 12 FP additions, 10 FP multiplications,
   * (or, 10 additions, 8 multiplications, 2 fused multiply/add),
   * 16 stack variables, 0 constants, and 8 memory accesses
   */
  #include "dft/simd/t3b.h"
  
  static void t3bv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
  {
       {
  	  INT m;
  	  R *x;
  	  x = ii;
  	  for (m = mb, W = W + (mb * ((TWVL / VL) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(4, rs)) {
  	       V T2, T3, T4;
  	       T2 = LDW(&(W[0]));
  	       T3 = LDW(&(W[TWVL * 2]));
  	       T4 = VZMULJ(T2, T3);
  	       {
  		    V T1, Tb, T6, T9, Ta, T5, T8;
  		    T1 = LD(&(x[0]), ms, &(x[0]));
  		    Ta = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
  		    Tb = VZMUL(T3, Ta);
  		    T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
  		    T6 = VZMUL(T4, T5);
  		    T8 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
  		    T9 = VZMUL(T2, T8);
  		    {
  			 V T7, Tc, Td, Te;
  			 T7 = VSUB(T1, T6);
  			 Tc = VSUB(T9, Tb);
  			 ST(&(x[WS(rs, 3)]), VFNMSI(Tc, T7), ms, &(x[WS(rs, 1)]));
  			 ST(&(x[WS(rs, 1)]), VFMAI(Tc, T7), ms, &(x[WS(rs, 1)]));
  			 Td = VADD(T1, T6);
  			 Te = VADD(T9, Tb);
  			 ST(&(x[WS(rs, 2)]), VSUB(Td, Te), ms, &(x[0]));
  			 ST(&(x[0]), VADD(Td, Te), ms, &(x[0]));
  		    }
  	       }
  	  }
       }
       VLEAVE();
  }
  
  static const tw_instr twinstr[] = {
       VTW(0, 1),
       VTW(0, 3),
       { TW_NEXT, VL, 0 }
  };
  
  static const ct_desc desc = { 4, XSIMD_STRING("t3bv_4"), twinstr, &GENUS, { 10, 8, 2, 0 }, 0, 0, 0 };
  
  void XSIMD(codelet_t3bv_4) (planner *p) {
       X(kdft_dit_register) (p, t3bv_4, &desc);
  }
  #else
  
  /* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 4 -name t3bv_4 -include dft/simd/t3b.h -sign 1 */
  
  /*
   * This function contains 12 FP additions, 8 FP multiplications,
   * (or, 12 additions, 8 multiplications, 0 fused multiply/add),
   * 16 stack variables, 0 constants, and 8 memory accesses
   */
  #include "dft/simd/t3b.h"
  
  static void t3bv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
  {
       {
  	  INT m;
  	  R *x;
  	  x = ii;
  	  for (m = mb, W = W + (mb * ((TWVL / VL) * 4)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 4), MAKE_VOLATILE_STRIDE(4, rs)) {
  	       V T2, T3, T4;
  	       T2 = LDW(&(W[0]));
  	       T3 = LDW(&(W[TWVL * 2]));
  	       T4 = VZMULJ(T2, T3);
  	       {
  		    V T1, Tb, T6, T9, Ta, T5, T8;
  		    T1 = LD(&(x[0]), ms, &(x[0]));
  		    Ta = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
  		    Tb = VZMUL(T3, Ta);
  		    T5 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
  		    T6 = VZMUL(T4, T5);
  		    T8 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
  		    T9 = VZMUL(T2, T8);
  		    {
  			 V T7, Tc, Td, Te;
  			 T7 = VSUB(T1, T6);
  			 Tc = VBYI(VSUB(T9, Tb));
  			 ST(&(x[WS(rs, 3)]), VSUB(T7, Tc), ms, &(x[WS(rs, 1)]));
  			 ST(&(x[WS(rs, 1)]), VADD(T7, Tc), ms, &(x[WS(rs, 1)]));
  			 Td = VADD(T1, T6);
  			 Te = VADD(T9, Tb);
  			 ST(&(x[WS(rs, 2)]), VSUB(Td, Te), ms, &(x[0]));
  			 ST(&(x[0]), VADD(Td, Te), ms, &(x[0]));
  		    }
  	       }
  	  }
       }
       VLEAVE();
  }
  
  static const tw_instr twinstr[] = {
       VTW(0, 1),
       VTW(0, 3),
       { TW_NEXT, VL, 0 }
  };
  
  static const ct_desc desc = { 4, XSIMD_STRING("t3bv_4"), twinstr, &GENUS, { 12, 8, 0, 0 }, 0, 0, 0 };
  
  void XSIMD(codelet_t3bv_4) (planner *p) {
       X(kdft_dit_register) (p, t3bv_4, &desc);
  }
  #endif
  