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

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [pr20122.c] - Blame information for rev 725

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 689 jeremybenn
/* { dg-require-effective-target vect_int } */
2
 
3
#include <stdarg.h>
4
#include "tree-vect.h"
5
 
6
short Kernshort[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
7
static void VecBug(short Kernel[8][24]) __attribute__((noinline));
8
static void VecBug2(short Kernel[8][24]) __attribute__((noinline));
9
 
10
/* Kernel may alias Kernshort - a global array.
11
   Use versioning for aliasing.  */
12
static void VecBug(short Kernel[8][24])
13
{
14
  int k,i;
15
    for (k = 0; k<8; k++)
16
        for (i = 0; i<24; i++)
17
            Kernshort[i] = Kernel[k][i];
18
}
19
 
20
/* Vectorizable: Kernshort2 is local.  */
21
static void VecBug2(short Kernel[8][24])
22
{
23
  int k,i;
24
  short Kernshort2[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
25
    for (k = 0; k<8; k++)
26
        for (i = 0; i<24; i++)
27
            Kernshort2[i] = Kernel[k][i];
28
 
29
    for (k = 0; k<8; k++)
30
        for (i = 0; i<24; i++)
31
            if (Kernshort2[i] != Kernel[k][i])
32
                abort ();
33
}
34
 
35
int main (int argc, char **argv)
36
{
37
    check_vect ();
38
 
39
    short Kernel[8][24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
40
    int k,i;
41
 
42
    for (k = 0; k<8; k++)
43
        for (i = 0; i<24; i++)
44
            Kernel[k][i] = 0;
45
 
46
    VecBug(Kernel);
47
    VecBug2(Kernel);
48
 
49
    return 0;
50
}
51
 
52
/* The loops in VecBug and VecBug2 require versioning for alignment.
53
   The loop in main is aligned.  */
54
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" } } */
55
/*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target vect_no_align } } } */
56
/* { 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.