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1 /*
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2 * Copyright (c) 2003, 2007-8 Matteo Frigo
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3 * Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
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4 *
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5 * This program is free software; you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation; either version 2 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 *
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19 */
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20 /* Generated by: ../../genfft/gen_twiddle_c -standalone -fma -reorder-insns -simd -compact -variables 100000 -include fftw-spu.h -trivial-stores -n 7 -name X(spu_t1fv_7) */
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21
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22 /*
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23 * This function contains 36 FP additions, 36 FP multiplications,
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24 * (or, 15 additions, 15 multiplications, 21 fused multiply/add),
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25 * 49 stack variables, 6 constants, and 14 memory accesses
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26 */
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27 #include "fftw-spu.h"
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28
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29 void X(spu_t1fv_7) (R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) {
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30 DVK(KP900968867, +0.900968867902419126236102319507445051165919162);
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31 DVK(KP692021471, +0.692021471630095869627814897002069140197260599);
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32 DVK(KP801937735, +0.801937735804838252472204639014890102331838324);
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33 DVK(KP974927912, +0.974927912181823607018131682993931217232785801);
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34 DVK(KP554958132, +0.554958132087371191422194871006410481067288862);
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35 DVK(KP356895867, +0.356895867892209443894399510021300583399127187);
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36 INT m;
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37 R *x;
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38 x = ri;
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39 for (m = mb, W = W + (mb * ((TWVL / VL) * 12)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 12), MAKE_VOLATILE_STRIDE(rs)) {
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40 V T1, T6, Tl, Tm, Tg, Tb, Tn, Ti, Tz, Ts, To, TC, Tv, T3, T5;
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41 V Tf, Td, Ta, T8, T2, T4, Te, Tc, T9, T7, Th, TD, TB, TA, TF;
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42 V TE, Tp, Tk, Tj, Tr, Tq, Tw, Tu, Tt, Ty, Tx;
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43 T1 = LD(&(x[0]), ms, &(x[0]));
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44 T2 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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45 T3 = BYTWJ(&(W[0]), T2);
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46 T4 = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
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47 T5 = BYTWJ(&(W[TWVL * 10]), T4);
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48 Te = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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49 Tf = BYTWJ(&(W[TWVL * 6]), Te);
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50 Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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51 Td = BYTWJ(&(W[TWVL * 4]), Tc);
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52 T9 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
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53 Ta = BYTWJ(&(W[TWVL * 8]), T9);
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54 T7 = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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55 T8 = BYTWJ(&(W[TWVL * 2]), T7);
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56 T6 = VADD(T3, T5);
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57 Tl = VSUB(T5, T3);
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58 Tm = VSUB(Tf, Td);
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59 Tg = VADD(Td, Tf);
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60 Tb = VADD(T8, Ta);
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61 Tn = VSUB(Ta, T8);
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62 Ti = VFNMS(LDK(KP356895867), T6, Tg);
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63 Tz = VFNMS(LDK(KP356895867), Tg, Tb);
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64 Ts = VFNMS(LDK(KP356895867), Tb, T6);
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65 To = VFMA(LDK(KP554958132), Tn, Tm);
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66 TC = VFNMS(LDK(KP554958132), Tl, Tn);
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67 Tv = VFMA(LDK(KP554958132), Tm, Tl);
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68 Th = VADD(T1, VADD(T6, VADD(Tb, Tg)));
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69 ST(&(x[0]), Th, ms, &(x[0]));
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70 TD = VMUL(LDK(KP974927912), VFNMS(LDK(KP801937735), TC, Tm));
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71 TA = VFNMS(LDK(KP692021471), Tz, T6);
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72 TB = VFNMS(LDK(KP900968867), TA, T1);
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73 TF = VFMAI(TD, TB);
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74 TE = VFNMSI(TD, TB);
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75 ST(&(x[WS(rs, 4)]), TE, ms, &(x[0]));
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76 ST(&(x[WS(rs, 3)]), TF, ms, &(x[WS(rs, 1)]));
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77 Tp = VMUL(LDK(KP974927912), VFNMS(LDK(KP801937735), To, Tl));
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78 Tj = VFNMS(LDK(KP692021471), Ti, Tb);
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79 Tk = VFNMS(LDK(KP900968867), Tj, T1);
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80 Tq = VFNMSI(Tp, Tk);
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81 Tr = VFMAI(Tp, Tk);
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82 ST(&(x[WS(rs, 5)]), Tq, ms, &(x[WS(rs, 1)]));
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83 ST(&(x[WS(rs, 2)]), Tr, ms, &(x[0]));
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84 Tw = VMUL(LDK(KP974927912), VFMA(LDK(KP801937735), Tv, Tn));
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85 Tt = VFNMS(LDK(KP692021471), Ts, Tg);
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86 Tu = VFNMS(LDK(KP900968867), Tt, T1);
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87 Ty = VFMAI(Tw, Tu);
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88 Tx = VFNMSI(Tw, Tu);
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89 ST(&(x[WS(rs, 6)]), Tx, ms, &(x[0]));
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90 ST(&(x[WS(rs, 1)]), Ty, ms, &(x[WS(rs, 1)]));
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91 }
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92 }
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