Viewing file:  vect-reduc-1.c (1.11 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
#define DIFF 242
unsigned int ub[N] = {1,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
unsigned int uc[N] = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
/* Test vectorization of reduction of unsigned-int. */
__attribute__ ((noinline))
void main1 (unsigned int x, unsigned int max_result, unsigned int min_result)
{
int i;
unsigned int udiff = 2;
unsigned int umax = x;
unsigned int umin = x;
/* Summation. */
for (i = 0; i < N; i++) {
udiff += (ub[i] - uc[i]);
}
/* Maximum. */
for (i = 0; i < N; i++) {
umax = umax < uc[i] ? uc[i] : umax;
}
/* Minimum. */
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_add || vect_no_int_min_max } } } } */
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