1 /* Disabling epilogues until we find a better way to deal with scans. */
2 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
3 /* { dg-require-effective-target vect_float } */
4 /* { dg-add-options double_vectors } */
5
6 #include <stdarg.h>
7 #include "tree-vect.h"
8
9 #define N 256
10
11 /* Unaligned pointer read accesses, aligned write access.
12 The loop bound is unknown.
13 No aliasing problems.
14 vect-60.c is similar to this one with one difference:
15 the alignment of the read accesses is known.
16 vect-48.c is similar to this one with one difference:
17 the loop bound is known.
18 vect-53.c is similar to this one with one difference:
19 aliasing is a problem. */
20
21 __attribute__ ((noinline)) int
main1(int n,float * pb,float * pc)22 main1 (int n, float *pb, float *pc)
23 {
24 float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
25 int i;
26
27 for (i = 0; i < n; i++)
28 {
29 pa[i] = pb[i] * pc[i];
30 }
31
32 /* check results: */
33 for (i = 0; i < N; i++)
34 {
35 if (pa[i] != (pb[i] * pc[i]))
36 abort ();
37 }
38
39 return 0;
40 }
41
main(void)42 int main (void)
43 {
44 int i;
45 float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
46 float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
47 float c[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
48
49 check_vect ();
50
51 main1 (N,&b[1],c);
52 main1 (N,&b[1],&c[1]);
53
54 return 0;
55 }
56
57 /* For targets that don't support misaligned loads we version for the two loads.
58 (The store is aligned). */
59
60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
61 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 3 "vect" { target { ! vect_align_stack_vars } xfail { ! vect_unaligned_possible } } } } */
62 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target vect_align_stack_vars xfail { ! vect_unaligned_possible } } } } */
63 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */
64 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
65