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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-50.c] - Blame information for rev 298

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 298 jeremybenn
/* { dg-require-effective-target vect_float } */
2
 
3
#include <stdarg.h>
4
#include "tree-vect.h"
5
 
6
#define N 256
7
 
8
__attribute__ ((noinline))
9
void bar (float *pa, float *pb, float *pc)
10
{
11
  int i;
12
 
13
  /* check results:  */
14
  for (i = 0; i < N; i++)
15
    {
16
      if (pa[i] != (pb[i] * pc[i]))
17
        abort ();
18
    }
19
 
20
  return;
21
}
22
 
23
__attribute__ ((noinline)) int
24
main1 (int n, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
25
{
26
  int i;
27
 
28
  for (i = 0; i < n; i++)
29
    {
30
      pa[i] = pb[i] * pc[i];
31
    }
32
 
33
  bar (pa,pb,pc);
34
 
35
  return 0;
36
}
37
 
38
/* Unaligned pointer accesses, with unknown alignment.
39
   The loop bound is unknown.
40
   No aliasing problems.
41
   vect-44.c is similar to this one with one difference:
42
        the loop bound is known.
43
   vect-51.c is similar to this one with one difference:
44
        can't prove that pointers don't alias.  */
45
 
46
int main (void)
47
{
48
  int i;
49
  float a[N];
50
  float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
51
  float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
52
 
53
  check_vect ();
54
 
55
  main1 (N,a,b,c);
56
  return 0;
57
}
58
 
59
/* For targets that don't support misaligned loads and don't support
60
   misaligned stores we version for the all three accesses (peeling to
61
   align the store will not force the two loads to be aligned).  */
62
 
63
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
64
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } }  */
65
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target vect_hw_misalign } } } */
66
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } */
67
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */
68
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && { {! vect_no_align } && {! vect_hw_misalign } } } } } } */
69
/* { 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.