1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define A 3
7 #define N 256
8
9 short src[N], dst[N];
10
foo(short * __restrict__ dst,short * __restrict__ src,int h,int stride,int dummy)11 void foo (short * __restrict__ dst, short * __restrict__ src, int h,
12 int stride, int dummy)
13 {
14 int i;
15 h /= 8;
16 for (i = 0; i < h; i++)
17 {
18 dst[0] += A*src[0];
19 dst[1] += A*src[1];
20 dst[2] += A*src[2];
21 dst[3] += A*src[3];
22 dst[4] += A*src[4];
23 dst[5] += A*src[5];
24 dst[6] += A*src[6];
25 dst[7] += A*src[7];
26 dst += stride;
27 src += stride;
28 if (dummy == 32)
29 abort ();
30 }
31 }
32
33
main(void)34 int main (void)
35 {
36 int i;
37
38 check_vect ();
39
40 for (i = 0; i < N; i++)
41 {
42 dst[i] = 0;
43 src[i] = i;
44 }
45
46 foo (dst, src, N, 8, 0);
47
48 for (i = 0; i < N; i++)
49 {
50 if (dst[i] != A * i)
51 abort ();
52 }
53
54 return 0;
55 }
56
57 /* Exclude POWER8 (only POWER cpu for which vect_element_align is true)
58 because loops have vectorized before SLP gets a shot. */
59 /* { dg-final { scan-tree-dump-times "basic block vectorized using SLP" 1 "slp" { target { vect_element_align && { ! powerpc*-*-* } } } } } */
60 /* { dg-final { cleanup-tree-dump "slp" } } */
61
62