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111
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1 /* PR tree-optimization/53366 */
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2 /* { dg-do run } */
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3
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4 extern void abort (void);
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5
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6 struct T { float r[3], i[3]; };
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7 struct U { struct T j[4]; };
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8
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9 void __attribute__ ((noinline))
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10 foo (struct U *__restrict y, const float _Complex *__restrict x)
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11 {
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12 int i, j;
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13 for (j = 0; j < 4; ++j)
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14 {
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15 float a = __real__ x[j];
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16 float b = __imag__ x[j];
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17 float c = __real__ x[j + 4];
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18 float d = __imag__ x[j + 4];
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19 for (i = 0; i < 3; ++i)
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20 {
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21 y->j[j].r[i] = y->j[j].r[i] + a + c;
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22 y->j[j].i[i] = y->j[j].i[i] + b + d;
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23 }
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24 }
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25 }
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26
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27 _Complex float x[8];
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28 struct U y;
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29
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30 int
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31 main ()
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32 {
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33 int i, j;
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34 for (i = 0; i < 8; ++i)
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35 {
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36 x[i] = i + 1.0iF * (2 * i);
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37 __asm__ volatile ("");
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38 }
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39 foo (&y, x);
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40 for (j = 0; j < 4; ++j)
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41 for (i = 0; i < 3; ++i)
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42 if (y.j[j].r[i] != __real__ (x[j] + x[j + 4])
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43 || y.j[j].i[i] != __imag__ (x[j] + x[j + 4]))
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44 __builtin_abort ();
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45 return 0;
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46 }
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