[Bug target/53758] New: Segfault at 'vmovaps' when setting pointer array in a loop
jan.boon at kaetemi dot be
gcc-bugzilla@gcc.gnu.org
Sun Jun 24 08:42:00 GMT 2012
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.
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