OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-48.c] - Blame information for rev 689

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 689 jeremybenn
/* { 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
/* Unaligned pointer read accesses, aligned write access.
10
   The loop bound is known and divisible by the vectorization factor.
11
   No aliasing problems.
12
   vect-56.c is similar to this one with one difference:
13
        the alignment of the read accesses is known.
14
   vect-52.c is similar to this one with one difference:
15
        the loop bound is unknown.
16
   vect-49.c is similar to this one with one difference:
17
        aliasing is a problem.  */
18
 
19
__attribute__ ((noinline)) int
20
main1 (float *pb, float *pc)
21
{
22
  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
23
  int i;
24
 
25
  for (i = 0; i < N; i++)
26
    {
27
      pa[i] = pb[i] * pc[i];
28
    }
29
 
30
  /* check results:  */
31
  for (i = 0; i < N; i++)
32
    {
33
      if (pa[i] != (pb[i] * pc[i]))
34
        abort ();
35
    }
36
 
37
  return 0;
38
}
39
 
40
int main (void)
41
{
42
  int i;
43
  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};
44
  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
45
 
46
  check_vect ();
47
 
48
  main1 (b,c);
49
  main1 (&b[1],c);
50
 
51
  return 0;
52
}
53
 
54
/* For targets that don't support misaligned loads we version for the two loads.
55
   (The store is aligned).  */
56
 
57
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
58
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */
59
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */
60
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target vect_no_align } } } */
61
/* { dg-final { cleanup-tree-dump "vect" } } */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.