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* [Bug target/53758] New: Segfault at 'vmovaps' when setting pointer array in a loop
@ 2012-06-24  8:42 jan.boon at kaetemi dot be
  2012-06-24 14:29 ` [Bug target/53758] " hjl.tools at gmail dot com
  2012-06-24 17:07 ` jan.boon at kaetemi dot be
  0 siblings, 2 replies; 3+ messages in thread
From: jan.boon at kaetemi dot be @ 2012-06-24  8:42 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53758

             Bug #: 53758
           Summary: Segfault at 'vmovaps' when setting pointer array in a
                    loop
    Classification: Unclassified
           Product: gcc
           Version: 4.6.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: jan.boon@kaetemi.be


Created attachment 27692
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27692
Disassemly of function and list of registers.

Segfault in a simple loop that sets pointers in an array to NULL.
Target is -march=bdver1 -mtune=bdver1.

for(i = 0; i < NL_DLM_LIGHTMAP_TYPE_SIZE; i++)
{
    _FreeBlocks[i] = NULL;
}

   0x00007ffff6ea4b00 <+608>:    inc    %edx
=> 0x00007ffff6ea4b02 <+610>:    vmovaps %xmm0,(%rcx)
   0x00007ffff6ea4b06 <+614>:    add    $0x10,%rcx
   0x00007ffff6ea4b0a <+618>:    cmp    %edx,%esi
   0x00007ffff6ea4b0c <+620>:    ja     0x7ffff6ea4b00 

edx            0x1    1
rcx            0x159106a4    361825956
esi            0x8    8

Full log in attachment.


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug target/53758] Segfault at 'vmovaps' when setting pointer array in a loop
  2012-06-24  8:42 [Bug target/53758] New: Segfault at 'vmovaps' when setting pointer array in a loop jan.boon at kaetemi dot be
@ 2012-06-24 14:29 ` hjl.tools at gmail dot com
  2012-06-24 17:07 ` jan.boon at kaetemi dot be
  1 sibling, 0 replies; 3+ messages in thread
From: hjl.tools at gmail dot com @ 2012-06-24 14:29 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53758

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2012-06-24
                 CC|                            |areg.melikadamyan at gmail
                   |                            |dot com, hjl.tools at gmail
                   |                            |dot com
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-24 14:29:10 UTC ---
Please provide a testcase.


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug target/53758] Segfault at 'vmovaps' when setting pointer array in a loop
  2012-06-24  8:42 [Bug target/53758] New: Segfault at 'vmovaps' when setting pointer array in a loop jan.boon at kaetemi dot be
  2012-06-24 14:29 ` [Bug target/53758] " hjl.tools at gmail dot com
@ 2012-06-24 17:07 ` jan.boon at kaetemi dot be
  1 sibling, 0 replies; 3+ messages in thread
From: jan.boon at kaetemi dot be @ 2012-06-24 17:07 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53758

Jan Boon <jan.boon at kaetemi dot be> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|                            |INVALID

--- Comment #2 from Jan Boon <jan.boon at kaetemi dot be> 2012-06-24 17:06:44 UTC ---
Apparently one of the base classes was making this class use a specific
allocator that's not using the correct alignment.


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2012-06-24 17:07 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2012-06-24  8:42 [Bug target/53758] New: Segfault at 'vmovaps' when setting pointer array in a loop jan.boon at kaetemi dot be
2012-06-24 14:29 ` [Bug target/53758] " hjl.tools at gmail dot com
2012-06-24 17:07 ` jan.boon at kaetemi dot be

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