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Merge branch 'trunk' of git://gcc.gnu.org/git/gcc into rework
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / vect / slp-34.c
1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define N 8 
7
8 unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
9 unsigned short in2[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
10
11 int
12 main1 ()
13 {
14   int i;
15   unsigned short out[N*8];
16   unsigned short out2[N*8];
17
18   /* SLP with unrolling by 8.  */
19   for (i = 0; i < N; i++)
20     {
21       out[i*3] = in[i*3] + 5;
22       out[i*3 + 1] = in[i*3 + 1] + 6;
23       out[i*3 + 2] = in[i*3 + 2] + 16;
24
25       out2[i*5] = in2[i*5] + 2;
26       out2[i*5 + 1] = in2[i*5 + 1] + 2;
27       out2[i*5 + 2] = in2[i*5 + 2] + 1;
28       out2[i*5 + 3] = in2[i*5 + 3] + 3;
29       out2[i*5 + 4] = in2[i*5 + 4] + 13;
30     }
31
32   /* check results:  */
33   for (i = 0; i < N; i++)
34     {
35       if (out[i*3] != in[i*3] + 5
36           || out[i*3 + 1] != in[i*3 + 1] + 6
37           || out[i*3 + 2] != in[i*3 + 2] + 16
38           || out2[i*5] != in2[i*5] + 2
39           || out2[i*5 + 1] != in2[i*5 + 1] + 2
40           || out2[i*5 + 2] != in2[i*5 + 2] + 1
41           || out2[i*5 + 3] != in2[i*5 + 3] + 3
42           || out2[i*5 + 4] != in2[i*5 + 4] + 13)
43         abort ();
44     }
45
46   return 0;
47 }
48
49 int main (void)
50 {
51   check_vect ();
52
53   main1 ();
54
55   return 0;
56 }
57
58 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
59 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect"  } } */
60 /* { dg-final { cleanup-tree-dump "vect" } } */
61