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111
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1 /* { dg-require-effective-target vect_int } */
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2 /* { dg-require-effective-target vect_shift } */
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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 /* Modified rgb to rgb conversion from FFmpeg. */
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10 __attribute__ ((noinline)) void
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11 foo (unsigned char *src, unsigned char *dst)
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12 {
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13 unsigned char *s = src;
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14 unsigned short *d = (unsigned short *)dst;
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15 int i;
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16
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17 for (i = 0; i < N/4; i++)
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18 {
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19 const int b = *s++;
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20 const int g = *s++;
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21 const int r = *s++;
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22 const int a = *s++;
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23 *d = ((b>>3) | ((g&0xFFC)<<3) | ((r+0xF8)>>8) | (a<<9));
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24 d++;
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25 }
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26
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27 s = src;
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28 d = (unsigned short *)dst;
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29 for (i = 0; i < N/4; i++)
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30 {
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31 const int b = *s++;
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32 const int g = *s++;
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33 const int r = *s++;
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34 const int a = *s++;
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35 if (*d != ((b>>3) | ((g&0xFFC)<<3) | ((r+0xF8)>>8) | (a<<9)))
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36 abort ();
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37 d++;
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38 }
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39 }
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40
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41 int main (void)
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42 {
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43 int i;
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44 unsigned char in[N], out[N];
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45
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46 check_vect ();
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47
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48 for (i = 0; i < N; i++)
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49 {
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50 in[i] = i;
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51 out[i] = 255;
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52 __asm__ volatile ("");
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53 }
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54
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55 foo (in, out);
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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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131
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60 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 3} "vect" } } */
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61 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */
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62 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 8} "vect" } } */
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63 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 9} "vect" } } */
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111
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64 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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65
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