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111
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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 128
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7
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8 int
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9 main1 ()
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10 {
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11 int i;
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12 unsigned short out[N*8];
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13
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14 for (i = 0; i < N; i++)
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15 {
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16 out[i*4] = 8;
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17 out[i*4 + 1] = 18;
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18 out[i*4 + 2] = 28;
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19 out[i*4 + 3] = 38;
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20 }
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21
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22 /* check results: */
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23 for (i = 0; i < N; i++)
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24 {
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25 if (out[i*4] != 8
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26 || out[i*4 + 1] != 18
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27 || out[i*4 + 2] != 28
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28 || out[i*4 + 3] != 38)
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29 abort ();
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30 }
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31
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32 for (i = 0; i < N; i++)
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33 {
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34 out[i*8] = 8;
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35 out[i*8 + 1] = 7;
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36 out[i*8 + 2] = 81;
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37 out[i*8 + 3] = 28;
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38 out[i*8 + 4] = 18;
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39 out[i*8 + 5] = 85;
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40 out[i*8 + 6] = 5;
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41 out[i*8 + 7] = 4;
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42 }
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43
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44 /* check results: */
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45 for (i = 0; i < N; i++)
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46 {
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47 if (out[i*8] != 8
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48 || out[i*8 + 1] != 7
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49 || out[i*8 + 2] != 81
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50 || out[i*8 + 3] != 28
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51 || out[i*8 + 4] != 18
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52 || out[i*8 + 5] != 85
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53 || out[i*8 + 6] != 5
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54 || out[i*8 + 7] != 4)
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55 abort ();
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56 }
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57
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58 /* SLP with unrolling by 8. */
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59 for (i = 0; i < N; i++)
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60 {
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61 out[i*5] = 8;
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62 out[i*5 + 1] = 7;
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63 out[i*5 + 2] = 81;
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64 out[i*5 + 3] = 28;
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65 out[i*5 + 4] = 18;
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66 }
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67
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68 /* check results: */
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69 for (i = 0; i < N; i++)
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70 {
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71 if (out[i*5] != 8
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72 || out[i*5 + 1] != 7
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73 || out[i*5 + 2] != 81
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74 || out[i*5 + 3] != 28
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75 || out[i*5 + 4] != 18)
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76 abort ();
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77 }
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78
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79 /* SLP with unrolling by 8. */
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80 for (i = 0; i < N/2; i++)
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81 {
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82 out[i*9] = 8;
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83 out[i*9 + 1] = 7;
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84 out[i*9 + 2] = 81;
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85 out[i*9 + 3] = 28;
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86 out[i*9 + 4] = 18;
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87 out[i*9 + 5] = 85;
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88 out[i*9 + 6] = 5;
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89 out[i*9 + 7] = 4;
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90 out[i*9 + 8] = 14;
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91 }
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92
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93 /* check results: */
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94 for (i = 0; i < N/2; i++)
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95 {
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96 if (out[i*9] != 8
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97 || out[i*9 + 1] != 7
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98 || out[i*9 + 2] != 81
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99 || out[i*9 + 3] != 28
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100 || out[i*9 + 4] != 18
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101 || out[i*9 + 5] != 85
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102 || out[i*9 + 6] != 5
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103 || out[i*9 + 7] != 4
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104 || out[i*9 + 8] != 14)
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105 abort ();
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106 }
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107
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108 return 0;
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109 }
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110
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111 int main (void)
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112 {
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113 check_vect ();
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114
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115 main1 ();
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116
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117 return 0;
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118 }
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119
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120 /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */
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131
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121 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect" } } */
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111
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122
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