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111
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1 /* { dg-require-effective-target vect_int } */
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2 /* { dg-add-options bind_pic_locally } */
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3
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4 #include <stdarg.h>
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5 #include "tree-vect.h"
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6
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7 #define N 64
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8
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9 struct t{
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10 int k[N];
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11 int l;
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12 };
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13
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14 struct s{
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15 char a; /* aligned */
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16 char b[N-1]; /* unaligned (offset 1B) */
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17 char c[N]; /* aligned (offset NB) */
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18 struct t d; /* aligned (offset 2NB) */
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19 struct t e; /* unaligned (offset 2N+4N+4 B) */
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20 };
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21
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22 struct s tmp;
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23 __attribute__ ((noinline))
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24 int main1 ()
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25 {
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26 int i;
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27
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28 /* unaligned */
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29 for (i = 0; i < N/2; i++)
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30 {
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31 tmp.b[i] = 5;
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32 }
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33
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34 /* check results: */
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35 for (i = 0; i <N/2; i++)
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36 {
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37 if (tmp.b[i] != 5)
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38 abort ();
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39 }
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40
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41 /* aligned */
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42 for (i = 0; i < N/2; i++)
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43 {
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44 tmp.c[i] = 6;
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45 }
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46
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47 /* check results: */
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48 for (i = 0; i <N/2; i++)
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49 {
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50 if (tmp.c[i] != 6)
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51 abort ();
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52 }
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53
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54 /* aligned */
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55 for (i = 0; i < N/2; i++)
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56 {
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57 tmp.d.k[i] = 7;
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58 }
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59
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60 /* check results: */
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61 for (i = 0; i <N/2; i++)
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62 {
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63 if (tmp.d.k[i] != 7)
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64 abort ();
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65 }
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66
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67 /* unaligned */
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68 for (i = 0; i < N/2; i++)
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69 {
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70 tmp.e.k[i] = 8;
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71 }
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72
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73 /* check results: */
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74 for (i = 0; i <N/2; i++)
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75 {
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76 if (tmp.e.k[i] != 8)
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77 abort ();
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78 }
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79
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80 return 0;
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81 }
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82
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83 int main (void)
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84 {
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85 check_vect ();
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86
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87 return main1 ();
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88 }
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89
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90 /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */
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91 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
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92 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" } } */
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