1 /* { dg-require-effective-target vect_float } */
2 /* { dg-add-options double_vectors } */
3
4 #include <stdarg.h>
5 #include "tree-vect.h"
6
7 #define N 256
8
9 __attribute__ ((noinline))
10 void bar (float *pa, float *pb, float *pc)
11 {
12 int i;
13
14 /* check results: */
15 for (i = 0; i < N; i++)
16 {
17 if (pa[i] != (pb[i] * pc[i]))
18 abort ();
19 }
20
21 return;
22 }
23
24 /* Aligned pointer accesses.
25 The loop bound is known and divisible by the vectorization factor.
26 No aliasing problems.
27 vect-46.c is similar to this one with one difference:
28 the loop bound is unknown. */
29
30 float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
31 = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
32 float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
33 = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
34
35 __attribute__ ((noinline)) int
36 main1 ()
37 {
38 int i;
39 float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
40 float *pa = a;
41 float *pb = b;
42 float *pc = c;
43
44 for (i = 0; i < N; i++)
45 {
46 pa[i] = pb[i] * pc[i];
47 }
48
49 bar (pa,pb,pc);
50
51 return 0;
52 }
53
54 int main (void)
55 {
56 check_vect ();
57 main1 ();
58 return 0;
59 }
60
61 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"} } */
62 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */