This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/36436] -ftree-vrp -O1 -msse5 -ftree-vectorize leads to segfault during garbage collection
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Aug 2008 02:35:45 -0000
- Subject: [Bug target/36436] -ftree-vrp -O1 -msse5 -ftree-vectorize leads to segfault during garbage collection
- References: <bug-36436-10947@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from pinskia at gcc dot gnu dot org 2008-08-11 02:35 -------
Reduced testcase:
extern unsigned char vec1[1024];
extern unsigned char vec2_char[1024];
void sse5_div_const2_uns_char ()
{
unsigned i;
for (i = 0; i < 1024; i++)
vec1[i] = vec2_char[i] / 2;
}
--- CUT ---
Compile it with -ftree-vrp -O1 -msse5 -ftree-vectorize --param ggc-min-expand=0
--param ggc-min-heapsize=0 to get a seg fault.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|tree-optimization |target
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-08-11 02:35:43
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36436