1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define A 3
7 #define B 4
8 #define N 256
9
10 short src[N], dst[N];
11
foo(short * __restrict__ dst,short * __restrict__ src,int h,int stride,int dummy)12 void foo (short * __restrict__ dst, short * __restrict__ src, int h, int stride, int dummy)
13 {
14 int i;
15 h /= 16;
16 for (i = 0; i < h; i++)
17 {
18 dst[0] += A*src[0] + src[stride];
19 dst[1] += A*src[1] + src[1+stride];
20 dst[2] += A*src[2] + src[2+stride];
21 dst[3] += A*src[3] + src[3+stride];
22 dst[4] += A*src[4] + src[4+stride];
23 dst[5] += A*src[5] + src[5+stride];
24 dst[6] += A*src[6] + src[6+stride];
25 dst[7] += A*src[7] + src[7+stride];
26 dst += 8;
27 src += 8;
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/2; i++)
49 {
50 if (dst[i] != A * i + i + 8)
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" 1 "slp1" { target { vect_element_align && { ! powerpc*-*-* } } } } } */
60
61