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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 N 16
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7 unsigned short udata_sh[N] =
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8 { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 };
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9 #define SUM 210
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10
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11 __attribute__ ((noinline)) int
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12 foo ()
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13 {
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14 int i;
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15 unsigned int intsum = 0;
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16
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17 /* widenning sum: sum shorts into int. */
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18 for (i = 0; i < N; i++)
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19 {
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20 intsum += udata_sh[i];
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21 }
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22
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23 /* check results: */
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24 if (intsum != SUM)
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25 abort ();
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26
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27 return 0;
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28 }
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29
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30 int
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31 main (void)
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32 {
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33 check_vect ();
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34 return foo ();
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35 }
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36
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37 /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */
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38 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */
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39 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_hi_to_si } } } } */
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