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/* Disabling epilogues until we find a better way to deal with scans. */
/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 128
unsigned char udata_ch[N];
#define SUM N*(N-1)
__attribute__ ((noinline)) int
foo ()
{
int i;
unsigned int intsum = 0;
for (i = 0; i < N; i++)
{
udata_ch[i] = i*2;
asm volatile ("" ::: "memory");
}
/* widenning sum: sum chars into int. */
for (i = 0; i < N; i++)
{
intsum += udata_ch[i];
}
/* check results: */
if (intsum != SUM)
abort ();
return 0;
}
int
main (void)
{
check_vect ();
return foo ();
}
/* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected(?:(?!Analysis failed).)*Analysis succeeded" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */
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