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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 M00 100
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7 #define M10 216
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8 #define M20 23
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9 #define M01 1322
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10 #define M11 13
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11 #define M21 27271
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12 #define M02 74
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13 #define M12 191
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14 #define M22 500
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15
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16 #define N 16
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17
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18 void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
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19 {
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20 unsigned int i, a, b, c;
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21
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22 for (i = 0; i < N / 3; i++)
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23 {
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24 a = *pInput++;
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25 b = *pInput++;
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26 c = *pInput++;
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27
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28 *pOutput++ = M00 * a + M01 * b + M02 * c;
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29 *pOutput++ = M10 * a + M11 * b + M12 * c;
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30 *pOutput++ = M20 * a + M21 * b + M22 * c;
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31 }
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32 }
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33
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34 int main (int argc, const char* argv[])
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35 {
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36 unsigned int input[N], output[N], i;
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37 unsigned int check_results[N] = {1470, 395, 28271, 5958, 1655, 111653, 10446, 2915, 195035, 14934, 4175, 278417, 19422, 5435, 361799, 0};
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38
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39 check_vect ();
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40
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41 for (i = 0; i < N; i++)
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42 {
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43 input[i] = i%256;
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44 output[i] = 0;
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45 __asm__ volatile ("");
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46 }
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47
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48 foo (input, output);
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49
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50 for (i = 0; i < N; i++)
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51 {
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52 if (output[i] != check_results[i])
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53 abort ();
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54 __asm__ volatile ("");
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55 }
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56
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57 return 0;
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58 }
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59
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60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */
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61 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && {! vect_load_lanes } } } } } */
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62 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */
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63 /* { dg-final { scan-tree-dump "note: Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm && vect_load_lanes } } } } */
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64 /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */
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65 /* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */
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66
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