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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 15 -name X(spu_t1fv_15) */
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21
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22 /*
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23 * This function contains 92 FP additions, 77 FP multiplications,
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24 * (or, 50 additions, 35 multiplications, 42 fused multiply/add),
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25 * 117 stack variables, 8 constants, and 30 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_15) (R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) {
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30 DVK(KP823639103, +0.823639103546331925877420039278190003029660514);
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31 DVK(KP910592997, +0.910592997310029334643087372129977886038870291);
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32 DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
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33 DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
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34 DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
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35 DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
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36 DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
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37 DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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38 INT m;
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39 R *x;
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40 x = ri;
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41 for (m = mb, W = W + (mb * ((TWVL / VL) * 28)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 28), MAKE_VOLATILE_STRIDE(rs)) {
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42 V T1g, T7, TU, T17, T1a, To, TL, TK, TF, T1j, T1l, T1d, T1e, T11, T13;
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43 V T1, T5, T3, T4, T2, T6, T9, Tq, Ty, Th, Te, T15, Tv, T18, TD;
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44 V T19, Tm, T16, T8, Tp, Tx, Tg, Tb, Td, Ta, Tc, Ts, Tu, Tr, Tt;
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45 V TA, TC, Tz, TB, Tj, Tl, Ti, Tk, T1h, T1i, TV, TW, Tf, Tn, TY;
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46 V TZ, Tw, TE, TX, T10, T12, T1k, T1J, T1I, T1G, T1H, TQ, TM, TT, TJ;
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47 V TP, TI, TH, TG, TR, TS, TO, TN, T1r, T1n, T1D, T1z, T1q, T1c, T1C;
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48 V T1w, T1f, T1x, T1y, T1m, T1v, T1b, T1u, T14, T1p, T1F, T1o, T1E, T1t, T1B;
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49 V T1s, T1A;
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50 T1 = LD(&(x[0]), ms, &(x[0]));
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51 T4 = LD(&(x[WS(rs, 10)]), ms, &(x[0]));
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52 T5 = BYTWJ(&(W[TWVL * 18]), T4);
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53 T2 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
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54 T3 = BYTWJ(&(W[TWVL * 8]), T2);
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55 T1g = VSUB(T5, T3);
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56 T6 = VADD(T3, T5);
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57 T7 = VADD(T1, T6);
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58 TU = VFNMS(LDK(KP500000000), T6, T1);
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59 T8 = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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60 T9 = BYTWJ(&(W[TWVL * 4]), T8);
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61 Tp = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
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62 Tq = BYTWJ(&(W[TWVL * 10]), Tp);
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63 Tx = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
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64 Ty = BYTWJ(&(W[TWVL * 16]), Tx);
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65 Tg = LD(&(x[WS(rs, 12)]), ms, &(x[0]));
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66 Th = BYTWJ(&(W[TWVL * 22]), Tg);
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67 Ta = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
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68 Tb = BYTWJ(&(W[TWVL * 14]), Ta);
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69 Tc = LD(&(x[WS(rs, 13)]), ms, &(x[WS(rs, 1)]));
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70 Td = BYTWJ(&(W[TWVL * 24]), Tc);
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71 Te = VADD(Tb, Td);
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72 T15 = VSUB(Td, Tb);
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73 Tr = LD(&(x[WS(rs, 11)]), ms, &(x[WS(rs, 1)]));
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74 Ts = BYTWJ(&(W[TWVL * 20]), Tr);
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75 Tt = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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76 Tu = BYTWJ(&(W[0]), Tt);
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77 Tv = VADD(Ts, Tu);
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78 T18 = VSUB(Tu, Ts);
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79 Tz = LD(&(x[WS(rs, 14)]), ms, &(x[0]));
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80 TA = BYTWJ(&(W[TWVL * 26]), Tz);
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81 TB = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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82 TC = BYTWJ(&(W[TWVL * 6]), TB);
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83 TD = VADD(TA, TC);
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84 T19 = VSUB(TC, TA);
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85 Ti = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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86 Tj = BYTWJ(&(W[TWVL * 2]), Ti);
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87 Tk = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
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88 Tl = BYTWJ(&(W[TWVL * 12]), Tk);
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89 Tm = VADD(Tj, Tl);
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90 T16 = VSUB(Tl, Tj);
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91 T17 = VSUB(T15, T16);
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92 T1h = VADD(T15, T16);
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93 T1i = VADD(T18, T19);
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94 T1a = VSUB(T18, T19);
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95 Tf = VADD(T9, Te);
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96 TV = VFNMS(LDK(KP500000000), Te, T9);
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97 TW = VFNMS(LDK(KP500000000), Tm, Th);
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98 Tn = VADD(Th, Tm);
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99 To = VADD(Tf, Tn);
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100 TL = VSUB(Tf, Tn);
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101 TY = VFNMS(LDK(KP500000000), Tv, Tq);
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102 Tw = VADD(Tq, Tv);
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103 TE = VADD(Ty, TD);
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104 TZ = VFNMS(LDK(KP500000000), TD, Ty);
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105 TK = VSUB(Tw, TE);
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106 TF = VADD(Tw, TE);
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107 T1j = VADD(T1h, T1i);
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108 T1l = VSUB(T1h, T1i);
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109 TX = VADD(TV, TW);
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110 T1d = VSUB(TV, TW);
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111 T1e = VSUB(TY, TZ);
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112 T10 = VADD(TY, TZ);
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113 T11 = VADD(TX, T10);
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114 T13 = VSUB(TX, T10);
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115 T12 = VFNMS(LDK(KP250000000), T11, TU);
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116 T1G = VADD(TU, T11);
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117 T1H = VMUL(LDK(KP866025403), VADD(T1g, T1j));
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118 T1k = VFNMS(LDK(KP250000000), T1j, T1g);
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119 T1J = VFMAI(T1H, T1G);
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120 T1I = VFNMSI(T1H, T1G);
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121 ST(&(x[WS(rs, 5)]), T1I, ms, &(x[WS(rs, 1)]));
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122 ST(&(x[WS(rs, 10)]), T1J, ms, &(x[0]));
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123 TQ = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), TK, TL));
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124 TM = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), TL, TK));
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125 TG = VADD(To, TF);
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126 TI = VSUB(To, TF);
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127 TT = VADD(T7, TG);
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128 TH = VFNMS(LDK(KP250000000), TG, T7);
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129 TJ = VFNMS(LDK(KP559016994), TI, TH);
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130 TP = VFMA(LDK(KP559016994), TI, TH);
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131 ST(&(x[0]), TT, ms, &(x[0]));
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132 TS = VFMAI(TQ, TP);
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133 TR = VFNMSI(TQ, TP);
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134 ST(&(x[WS(rs, 9)]), TS, ms, &(x[WS(rs, 1)]));
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135 TN = VFNMSI(TM, TJ);
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136 TO = VFMAI(TM, TJ);
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137 ST(&(x[WS(rs, 3)]), TN, ms, &(x[WS(rs, 1)]));
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138 ST(&(x[WS(rs, 12)]), TO, ms, &(x[0]));
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139 ST(&(x[WS(rs, 6)]), TR, ms, &(x[0]));
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140 T1f = VFMA(LDK(KP618033988), T1e, T1d);
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141 T1x = VFNMS(LDK(KP618033988), T1d, T1e);
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142 T1y = VFNMS(LDK(KP559016994), T1l, T1k);
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143 T1m = VFMA(LDK(KP559016994), T1l, T1k);
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144 T1r = VMUL(LDK(KP951056516), VFMA(LDK(KP910592997), T1m, T1f));
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145 T1n = VMUL(LDK(KP951056516), VFNMS(LDK(KP910592997), T1m, T1f));
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146 T1D = VMUL(LDK(KP951056516), VFMA(LDK(KP910592997), T1y, T1x));
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147 T1z = VMUL(LDK(KP951056516), VFNMS(LDK(KP910592997), T1y, T1x));
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148 T1v = VFNMS(LDK(KP618033988), T17, T1a);
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149 T1b = VFMA(LDK(KP618033988), T1a, T17);
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150 T1u = VFNMS(LDK(KP559016994), T13, T12);
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151 T14 = VFMA(LDK(KP559016994), T13, T12);
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152 T1q = VFNMS(LDK(KP823639103), T1b, T14);
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153 T1c = VFMA(LDK(KP823639103), T1b, T14);
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154 T1C = VFNMS(LDK(KP823639103), T1v, T1u);
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155 T1w = VFMA(LDK(KP823639103), T1v, T1u);
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156 T1p = VFMAI(T1n, T1c);
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157 T1o = VFNMSI(T1n, T1c);
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158 ST(&(x[WS(rs, 1)]), T1o, ms, &(x[WS(rs, 1)]));
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159 T1F = VFMAI(T1D, T1C);
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160 T1E = VFNMSI(T1D, T1C);
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161 ST(&(x[WS(rs, 8)]), T1E, ms, &(x[0]));
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162 ST(&(x[WS(rs, 7)]), T1F, ms, &(x[WS(rs, 1)]));
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163 ST(&(x[WS(rs, 14)]), T1p, ms, &(x[0]));
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164 T1t = VFMAI(T1r, T1q);
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165 T1s = VFNMSI(T1r, T1q);
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166 ST(&(x[WS(rs, 11)]), T1s, ms, &(x[WS(rs, 1)]));
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167 T1B = VFMAI(T1z, T1w);
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168 T1A = VFNMSI(T1z, T1w);
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169 ST(&(x[WS(rs, 13)]), T1A, ms, &(x[WS(rs, 1)]));
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170 ST(&(x[WS(rs, 2)]), T1B, ms, &(x[0]));
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171 ST(&(x[WS(rs, 4)]), T1t, ms, &(x[0]));
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172 }
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173 }
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