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/* Write a reduction loop to be reduced using vector shifts. */
#include "tree-vect.h"
#if VECTOR_BITS > 128
#define N (VECTOR_BITS / 8)
#else
#define N 16
#endif
extern void abort(void);
unsigned char in[N] __attribute__((__aligned__(16)));
int
main (unsigned char argc, char **argv)
{
unsigned char i = 0;
unsigned char sum = 1;
unsigned char expected = 1;
check_vect ();
for (i = 0; i < N; i++)
{
in[i] = (i + i + 1) & 0xfd;
asm volatile ("" ::: "memory");
}
for (i = 0; i < N; i++)
{
expected |= in[i];
asm volatile ("" ::: "memory");
}
for (i = 0; i < N; i++)
sum |= in[i];
if (sum != expected)
{
__builtin_printf("Failed %d\n", sum);
abort();
}
return 0;
}
/* { dg-final { scan-tree-dump "Reduce using vector shifts" "vect" { target { whole_vector_shift && { ! vect_logical_reduc } } } } } */
/* { dg-final { scan-tree-dump "Reduce using direct vector reduction" "vect" { target vect_logical_reduc } } } */
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