Viewing file:  vect-outer-4g.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 96
#define M 128
unsigned short in[N+M];
unsigned int out[N];
unsigned char arr[N];
/* Outer-loop vectorization. */
/* Not vectorized due to multiple-types in the inner-loop. */
__attribute__ ((noinline)) unsigned int
foo (){
int i,j;
unsigned int diff;
unsigned int s=0;
for (i = 0; i < N; i++) {
arr[i] = 3;
diff = 0;
for (j = 0; j < M; j+=8) {
diff += in[j+i];
}
s+=diff;
}
return s;
}
__attribute__ ((noinline)) unsigned int
bar (int i, unsigned int diff, unsigned short *in)
{
int j;
for (j = 0; j < M; j+=8) {
diff += in[j+i];
}
return diff;
}
int main (void)
{
int i, j;
unsigned int diff;
unsigned int s=0,sum=0;
check_vect ();
for (i = 0; i < N+M; i++) {
in[i] = i;
}
sum=foo ();
for (i = 0; i < N; i++) {
arr[i] = 3;
diff = 0;
diff = bar (i, diff, in);
s += diff;
}
if (s != sum)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail { ! aarch64*-*-* } } } } */
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