Viewing file:  vect-reduc-1char-big-array.c (1.19 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 256
unsigned char ub[N];
unsigned char uc[N];
unsigned char diff;
__attribute__ ((noinline)) void
main1 (unsigned char x, unsigned char max_result, unsigned char min_result)
{
int i;
unsigned char udiff = 2;
unsigned char umax = x;
unsigned char umin = x;
diff = 2;
for (i = 0; i < N; i++) {
ub[i] = i;
uc[i] = i;
if (i%16 == 0)
{
ub[i] = i+2;
diff += 2;
}
if (uc[i] > max_result)
max_result = uc[i];
if (uc[i] < min_result)
min_result = uc[i];
asm volatile ("" ::: "memory");
}
for (i = 0; i < N; i++) {
udiff += (unsigned char) (ub[i] - uc[i]);
}
for (i = 0; i < N; i++) {
umax = umax < uc[i] ? uc[i] : umax;
}
for (i = 0; i < N; i++) {
umin = umin > uc[i] ? uc[i] : umin;
}
/* check results: */
if (udiff != diff)
abort ();
if (umax != max_result)
abort ();
if (umin != min_result)
abort ();
}
int main (void)
{
check_vect ();
main1 (100, 100, 1);
main1 (0, 15, 0);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail vect_no_int_min_max } } } */
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