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
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
unsigned int out[N];
unsigned int in1[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
unsigned int in2[N] = {10,11,12,13,14,15,16,17,18,19,110,111,112,113,114,115};
__attribute__ ((noinline)) int
main1 (unsigned int x, unsigned int y)
{
int i;
unsigned int *pin1 = &in1[0];
unsigned int *pin2 = &in2[0];
unsigned int *pout = &out[0];
unsigned int a0, a1, a2, a3;
a0 = *pin2++ - *pin1++ + 23;
a1 = *pin2++ - *pin1++ + 142;
a2 = *pin2++ - *pin1++ + 2;
a3 = *pin2++ - *pin1++ + 31;
*pout++ = a0 * x;
*pout++ = a1 * y;
*pout++ = a2 * x;
*pout++ = a3 * y;
/* Check results. */
if (out[0] != (in2[0] - in1[0] + 23) * x
|| out[1] != (in2[1] - in1[1] + 142) * y
|| out[2] != (in2[2] - in1[2] + 2) * x
|| out[3] != (in2[3] - in1[3] + 31) * y)
abort();
return 0;
}
int main (void)
{
check_vect ();
main1 (2, 3);
return 0;
}
/* { dg-final { scan-tree-dump-times "basic block vectorized using SLP" 1 "slp" { target vect_int_mult } } } */
/* { dg-final { cleanup-tree-dump "slp" } } */
|