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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 128
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7 unsigned char udata_ch[N];
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8 #define SUM N*(N-1)
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9
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10 __attribute__ ((noinline)) int
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11 foo ()
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12 {
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13 int i;
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14 unsigned int intsum = 0;
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15
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16 for (i = 0; i < N; i++)
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17 {
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18 udata_ch[i] = i*2;
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131
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19 asm volatile ("" ::: "memory");
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111
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20 }
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21
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22 /* widenning sum: sum chars into int. */
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23 for (i = 0; i < N; i++)
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24 {
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25 intsum += udata_ch[i];
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26 }
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27
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28 /* check results: */
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29 if (intsum != SUM)
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30 abort ();
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31
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32 return 0;
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33 }
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34
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35 int
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36 main (void)
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37 {
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38 check_vect ();
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39 return foo ();
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40 }
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41
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42 /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */
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43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */
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44 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */
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