blob: 3b41ec9e67b21480d6dbbc4ef2e6ed7037a6d595 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* { dg-require-effective-target vect_int_mult } */
/* { dg-require-effective-target whole_vector_shift } */
/* Write a reduction loop to be reduced using vector shifts. */
#include "tree-vect.h"
extern void abort(void);
unsigned char in[16];
int
main (unsigned char argc, char **argv)
{
unsigned char i = 0;
unsigned char sum = 1;
check_vect ();
for (i = 0; i < 16; i++)
in[i] = i + i + 1;
/* Prevent constant propagation of the entire loop below. */
asm volatile ("" : : : "memory");
for (i = 0; i < 16; i++)
sum *= in[i];
if (sum != 33)
{
__builtin_printf("Failed %d\n", sum);
abort();
}
return 0;
}
/* { dg-final { scan-tree-dump "Reduce using vector shifts" "vect" } } */
|
