d@0: /*
d@0:  * Copyright (c) 2003, 2007-8 Matteo Frigo
d@0:  * Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
d@0:  *
d@0:  * This program is free software; you can redistribute it and/or modify
d@0:  * it under the terms of the GNU General Public License as published by
d@0:  * the Free Software Foundation; either version 2 of the License, or
d@0:  * (at your option) any later version.
d@0:  *
d@0:  * This program is distributed in the hope that it will be useful,
d@0:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
d@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
d@0:  * GNU General Public License for more details.
d@0:  *
d@0:  * You should have received a copy of the GNU General Public License
d@0:  * along with this program; if not, write to the Free Software
d@0:  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
d@0:  *
d@0:  */
d@0: /* Generated by: ../../genfft/gen_twiddle_c -standalone -fma -reorder-insns -simd -compact -variables 100000 -include fftw-spu.h -trivial-stores -n 5 -name X(spu_t1fv_5) */
d@0: 
d@0: /*
d@0:  * This function contains 20 FP additions, 19 FP multiplications,
d@0:  * (or, 11 additions, 10 multiplications, 9 fused multiply/add),
d@0:  * 31 stack variables, 4 constants, and 10 memory accesses
d@0:  */
d@0: #include "fftw-spu.h"
d@0: 
d@0: void X(spu_t1fv_5) (R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) {
d@0:      DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
d@0:      DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
d@0:      DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
d@0:      DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
d@0:      INT m;
d@0:      R *x;
d@0:      x = ri;
d@0:      for (m = mb, W = W + (mb * ((TWVL / VL) * 8)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(rs)) {
d@0: 	  V T1, Tg, Th, Tc, Te, T3, Ta, T5, T8, T2, T9, T4, T7, T6, Tb;
d@0: 	  V Td, Tp, Ti, Tm, Tl, Tf, Tk, Tn, Tj, To;
d@0: 	  T1 = LD(&(x[0]), ms, &(x[0]));
d@0: 	  T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
d@0: 	  T3 = BYTWJ(&(W[0]), T2);
d@0: 	  T9 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
d@0: 	  Ta = BYTWJ(&(W[TWVL * 4]), T9);
d@0: 	  T4 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
d@0: 	  T5 = BYTWJ(&(W[TWVL * 6]), T4);
d@0: 	  T7 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
d@0: 	  T8 = BYTWJ(&(W[TWVL * 2]), T7);
d@0: 	  Tg = VSUB(T3, T5);
d@0: 	  T6 = VADD(T3, T5);
d@0: 	  Tb = VADD(T8, Ta);
d@0: 	  Th = VSUB(T8, Ta);
d@0: 	  Tc = VADD(T6, Tb);
d@0: 	  Te = VSUB(T6, Tb);
d@0: 	  Tp = VADD(T1, Tc);
d@0: 	  Td = VFNMS(LDK(KP250000000), Tc, T1);
d@0: 	  ST(&(x[0]), Tp, ms, &(x[0]));
d@0: 	  Ti = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Th, Tg));
d@0: 	  Tm = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tg, Th));
d@0: 	  Tl = VFNMS(LDK(KP559016994), Te, Td);
d@0: 	  Tf = VFMA(LDK(KP559016994), Te, Td);
d@0: 	  Tk = VFMAI(Ti, Tf);
d@0: 	  Tj = VFNMSI(Ti, Tf);
d@0: 	  ST(&(x[WS(rs, 1)]), Tj, ms, &(x[WS(rs, 1)]));
d@0: 	  Tn = VFMAI(Tm, Tl);
d@0: 	  To = VFNMSI(Tm, Tl);
d@0: 	  ST(&(x[WS(rs, 3)]), To, ms, &(x[WS(rs, 1)]));
d@0: 	  ST(&(x[WS(rs, 4)]), Tk, ms, &(x[0]));
d@0: 	  ST(&(x[WS(rs, 2)]), Tn, ms, &(x[0]));
d@0:      }
d@0: }