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1 /* { dg-require-effective-target vect_int } */
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2
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3 #include <stdarg.h>
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4 #include "tree-vect.h"
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5
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6 #define N 24
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7
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8 typedef struct {
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9 unsigned char a;
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10 unsigned char b;
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11 unsigned char c;
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12 unsigned char d;
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13 unsigned char e;
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14 unsigned char f;
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15 unsigned char g;
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16 unsigned char h;
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17 } s;
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18
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19 __attribute__ ((noinline)) int
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20 main1 (s *arr)
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21 {
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22 int i;
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23 s *ptr = arr;
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24 s res[N];
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25 unsigned char x;
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26
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27 for (i = 0; i < N; i++)
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28 {
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29 res[i].c = ptr->b + ptr->c;
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30 x = ptr->c + ptr->f;
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31 res[i].a = x + ptr->b;
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32 res[i].d = ptr->b + ptr->c;
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33 res[i].b = ptr->c;
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34 res[i].f = ptr->f + ptr->e;
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35 res[i].e = ptr->b + ptr->e;
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36 res[i].h = ptr->c;
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37 res[i].g = ptr->b + ptr->c;
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38 ptr++;
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39 }
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40
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41 /* check results: */
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42 for (i = 0; i < N; i++)
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43 {
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44 if (res[i].c != arr[i].b + arr[i].c
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45 || res[i].a != arr[i].c + arr[i].f + arr[i].b
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46 || res[i].d != arr[i].b + arr[i].c
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47 || res[i].b != arr[i].c
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48 || res[i].f != arr[i].f + arr[i].e
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49 || res[i].e != arr[i].b + arr[i].e
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50 || res[i].h != arr[i].c
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51 || res[i].g != arr[i].b + arr[i].c)
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52 abort ();
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53 }
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54
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55 ptr = arr;
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131
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56 /* Vectorized as a strided SLP pair. */
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57 for (i = 0; i < N; i++)
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58 {
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59 res[i].a = ptr->b;
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60 res[i].b = ptr->c;
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61 ptr++;
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62 }
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63
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64 /* Check results. */
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65 for (i = 0; i < N; i++)
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66 {
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67 if (res[i].a != arr[i].b
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68 || res[i].b != arr[i].c)
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69 abort ();
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70 }
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71
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72 }
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73
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74
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75 int main (void)
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76 {
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77 int i;
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78 s arr[N];
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79
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80 check_vect ();
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81
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82 for (i = 0; i < N; i++)
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83 {
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84 arr[i].a = i;
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85 arr[i].b = i * 2;
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86 arr[i].c = 17;
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87 arr[i].d = i+34;
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88 arr[i].e = i * 3 + 5;
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89 arr[i].f = i * 5;
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90 arr[i].g = i - 3;
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91 arr[i].h = 56;
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92 asm volatile ("" ::: "memory");
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93 }
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94
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95 main1 (arr);
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96
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97 return 0;
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98 }
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99
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131
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100 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target vect_strided8 } } } */
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