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111
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1 /* This code is from the beginning of combine_reloads in reload.c in
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2 GCC 3.1-20020117, with simplifications. It compiled incorrectly
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3 for -O2 -fprefetch-loop-arrays for ix86 targets. */
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4
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5 /* { dg-do run } */
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6 /* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
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7 /* { dg-options "-O2 -fprefetch-loop-arrays -mtune=pentium3 -w" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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8
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9
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10 struct reload
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11 {
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12 int first_member;
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13 int out;
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14 int final_member;
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15 };
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16
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17 int n_reloads;
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18 struct reload rld[10];
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19
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20 static int
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21 combine_reloads ()
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22 {
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23 int i;
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24 int output_reload = -1;
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25 int secondary_out = -1;
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26
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27 for (i = 0; i < n_reloads; i++)
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28 if (rld[i].out != 0)
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29 {
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30 if (output_reload >= 0)
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31 return output_reload;
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32 output_reload = i;
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33 }
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34 return output_reload;
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35 }
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36
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37 int
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38 main ()
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39 {
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40 n_reloads = 4;
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41 rld[2].out = 2;
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42 if (combine_reloads () != 2)
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43 abort ();
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44 exit (0);
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45 }
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