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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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131
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7 #if VECTOR_BITS > 128
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8 #define N (VECTOR_BITS * 8 / 16)
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9 #else
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111
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10 #define N 64
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131
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11 #endif
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111
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12
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13 /* Modified rgb to rgb conversion from FFmpeg. */
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14 __attribute__ ((noinline)) int
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15 foo (unsigned char *src, unsigned char *dst)
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16 {
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17 unsigned char *s = src;
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18 unsigned short *d = (unsigned short *)dst, res;
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19 int i, result = 0;
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20
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21 for (i = 0; i < N/4; i++)
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22 {
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23 const int b = *s++;
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24 const int g = *s++;
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25 const int r = *s++;
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26 const int a = *s++;
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27 res = ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5));
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28 *d = res;
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29 result += res;
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30 d++;
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31 }
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32
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33 s = src;
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34 d = (unsigned short *)dst;
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35 for (i = 0; i < N/4; i++)
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36 {
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37 const int b = *s++;
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38 const int g = *s++;
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39 const int r = *s++;
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40 const int a = *s++;
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41 if (*d != ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5)))
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42 abort ();
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43 d++;
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44 }
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45
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46 return result;
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47 }
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48
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49 int main (void)
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50 {
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51 int i;
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52 unsigned char in[N], out[N];
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53
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54 check_vect ();
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55
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56 for (i = 0; i < N; i++)
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57 {
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58 in[i] = i;
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59 out[i] = 255;
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60 __asm__ volatile ("");
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61 }
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62
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63 foo (in, out);
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64
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65 return 0;
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66 }
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67
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68 /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */
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131
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69 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 3} "vect" } } */
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70 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */
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71 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 8} "vect" } } */
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72 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 5} "vect" } } */
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111
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73 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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74
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