Viewing file:  pr78005.c (1.38 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include "tree-vect.h"
#define N 20
int u[N] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int z[N] = {-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
int res4[N] = {0, 1, 8, 3, 22, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int res5[N] = {0, 1, 8, 3, 22, 5, 36, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int res6[N] = {0, 1, 8, 3, 22, 5, 36, 7, 50, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int res7[N] = {0, 1, 8, 3, 22, 5, 36, 7, 50, 9, 64, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int res8[N] = {0, 1, 8, 3, 22, 5, 36, 7, 50, 9, 64, 11, 78, 13, 14, 15, 16, 17, 18, 19};
int res9[N] = {0, 1, 8, 3, 22, 5, 36, 7, 50, 9, 64, 11, 78, 13, 92, 15, 16, 17, 18, 19};
int res10[N] = {0, 1, 8, 3, 22, 5, 36, 7, 50, 9, 64, 11, 78, 13, 92, 15, 106, 17, 18, 19};
__attribute__ ((noinline)) void
foo (int n, int d)
{
int i;
for (i = 2; i < n; i++)
u[2*i-2] = u[2*i-2] + d * (z[i-1] + z[i] + z[i-1] + z[i] + z[i-1] + z[i]);
}
#define check_u(x) \
foo (x, 2); \
for (i = 0; i < N; i++) \
{ \
if (u[i] != res##x[i]) \
abort (); \
u[i] = i; \
}
int main(void)
{
int i;
check_vect ();
/* Need to check for all possible vector factors. */
check_u(4);
check_u(5);
check_u(6);
check_u(7);
check_u(8);
check_u(9);
check_u(10);
return 0;
}
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