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1 /* { dg-require-effective-target vect_float } */
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2 #include <stdarg.h>
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3 #include "tree-vect.h"
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4
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5 #define N 40
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6 float image[N][N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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7 float out[N];
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8
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9 /* Outer-loop vectorization. */
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10
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11 __attribute__ ((noinline)) void
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12 foo (){
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13 int i,j;
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14 float diff;
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15
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16 for (i = 0; i < N; i++) {
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17 diff = 0;
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18 for (j = 0; j < N; j+=4) {
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19 diff += image[j][i];
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20 }
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21 out[i]=diff;
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22 }
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23 }
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24
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25 int main (void)
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26 {
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27 check_vect ();
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28 int i, j;
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29 float diff;
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30
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31 for (i = 0; i < N; i++) {
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32 for (j = 0; j < N; j++) {
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33 image[i][j]=i+j;
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34 }
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35 }
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36
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37 foo ();
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38
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39 for (i = 0; i < N; i++) {
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40 diff = 0;
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41 for (j = 0; j < N; j+=4) {
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42 diff += image[j][i];
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43 }
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44 if (out[i] != diff)
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45 abort ();
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46 }
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47
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48 return 0;
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49 }
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50
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51 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */
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