1 /* { dg-require-effective-target vect_int } */
8 unsigned short in
[N
] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
9 unsigned short in2
[N
] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
10 unsigned short in3
[N
] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
11 unsigned short check
[N
] = {0,1,2,3,5,6,7,8,10,11,12,13,15,16,17,18,20,21,22,23,25,26,27,28,30,31,32,33,35,36,37,38};
12 unsigned short check3
[N
] = {0,1,2,3,4,5,6,7,8,9,10,11,5,6,7,8,9,10,11,12,13,14,15,16,10,11,12,13,14,15,16,17};
19 for (i
= 0; i
< N
/4; i
++)
21 in
[i
*4] = in
[i
*4] + 5;
22 in
[i
*4 + 1] = in
[i
*4 + 1] + 5;
23 in
[i
*4 + 2] = in
[i
*4 + 2] + 5;
24 in
[i
*4 + 3] = in
[i
*4 + 3] + 5;
29 for (i
= 0; i
< N
; i
++)
35 /* Not vectorizable because of data dependencies. */
36 for (i
= 1; i
< N
/4; i
++)
38 in2
[i
*4] = in2
[(i
-1)*4] + 5;
39 in2
[i
*4 + 1] = in2
[(i
-1)*4 + 1] + 5;
40 in2
[i
*4 + 2] = in2
[(i
-1)*4 + 2] + 5;
41 in2
[i
*4 + 3] = in2
[(i
-1)*4 + 3] + 5;
46 for (i
= 4; i
< N
; i
++)
48 if (in2
[i
] != check
[i
])
52 /* Not vectorizable because of data dependencies: distance 3 is greater than
53 the actual VF with SLP (2), but the analysis fail to detect that for now. */
54 for (i
= 3; i
< N
/4; i
++)
56 in3
[i
*4] = in3
[(i
-3)*4] + 5;
57 in3
[i
*4 + 1] = in3
[(i
-3)*4 + 1] + 5;
58 in3
[i
*4 + 2] = in3
[(i
-3)*4 + 2] + 5;
59 in3
[i
*4 + 3] = in3
[(i
-3)*4 + 3] + 5;
64 for (i
= 12; i
< N
; i
++)
66 if (in3
[i
] != check3
[i
])
83 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
84 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */