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111
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1 /* { dg-require-effective-target vect_int } */
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2 /* { dg-additional-options "-fno-ipa-icf" } */
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3
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4 #include "tree-vect.h"
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5
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6 #define N 32
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7
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8 __attribute__ ((noinline)) void
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9 foo (unsigned int *__restrict a,
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10 unsigned short *__restrict b,
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11 int n)
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12 {
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13 int i;
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14
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15 for (i = 0; i < n; i++)
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16 a[i] = b[i] * 2333;
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17
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18 for (i = 0; i < n; i++)
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19 if (a[i] != b[i] * 2333)
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20 abort ();
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21 }
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22
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23 __attribute__ ((noinline)) void
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24 bar (unsigned int *__restrict a,
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25 unsigned short *__restrict b,
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26 int n)
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27 {
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28 int i;
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29
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30 for (i = 0; i < n; i++)
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31 a[i] = (unsigned short) 2333 * b[i];
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32
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33 for (i = 0; i < n; i++)
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34 if (a[i] != b[i] * (unsigned short) 2333)
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35 abort ();
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36 }
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37
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38 __attribute__ ((noinline)) void
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39 baz (unsigned int *__restrict a,
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40 unsigned short *__restrict b,
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41 int n)
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42 {
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43 int i;
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44
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45 for (i = 0; i < n; i++)
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46 a[i] = b[i] * 233333333;
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47
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48 for (i = 0; i < n; i++)
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49 if (a[i] != b[i] * 233333333)
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50 abort ();
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51 }
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52
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53
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54 int main (void)
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55 {
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56 int i;
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57 unsigned int a[N];
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58 unsigned short b[N];
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59
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60 check_vect ();
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61
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62 for (i = 0; i < N; i++)
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63 {
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64 a[i] = 0;
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65 b[i] = i;
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66 __asm__ volatile ("");
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67 }
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68
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69 foo (a, b, N);
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70 bar (a, b, N);
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71 baz (a, b, N);
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72 return 0;
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73 }
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74
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75 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" { target vect_widen_mult_hi_to_si } } } */
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131
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76 /* { dg-final { scan-tree-dump-times {vect_recog_widen_mult_pattern: detected:[^\n]* 2333} 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
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77 /* { dg-final { scan-tree-dump-times {widen_mult pattern recognized:[^\n]* = \(int\)} 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
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