Viewing file:  vect-gather-1.c (1.19 KB) -rw-r--r--
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#include "tree-vect.h"
#define N 16
void __attribute__((noipa))
f (int *restrict y, int *restrict x, int *restrict indices)
{
for (int i = 0; i < N; ++i)
{
y[i * 2] = x[indices[i * 2]] + 1;
y[i * 2 + 1] = x[indices[i * 2 + 1]] + 2;
}
}
int y[N * 2];
int x[N * 2] = {
72704, 52152, 51301, 96681,
57937, 60490, 34504, 60944,
42225, 28333, 88336, 74300,
29250, 20484, 38852, 91536,
86917, 63941, 31590, 21998,
22419, 26974, 28668, 13968,
3451, 20247, 44089, 85521,
22871, 87362, 50555, 85939
};
int indices[N * 2] = {
15, 16, 9, 19,
7, 22, 19, 1,
22, 13, 15, 30,
5, 12, 11, 11,
10, 25, 5, 20,
22, 24, 24, 28,
30, 19, 6, 4,
7, 12, 8, 21
};
int expected[N * 2] = {
91537, 86919, 28334, 22000,
60945, 28670, 21999, 52154,
28669, 20486, 91537, 50557,
60491, 29252, 74301, 74302,
88337, 20249, 60491, 22421,
28669, 3453, 3452, 22873,
50556, 22000, 34505, 57939,
60945, 29252, 42226, 26976
};
int
main (void)
{
check_vect ();
f (y, x, indices);
for (int i = 0; i < 32; ++i)
if (y[i] != expected[i])
__builtin_abort ();
return 0;
}
/* { dg-final { scan-tree-dump "Loop contains only SLP stmts" vect { target vect_gather_load_ifn } } } */
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