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[Bug tree-optimization/34038] 176.gcc segfaults when compiled with -O2 -ftree-vectorize -maltivec
- From: "janis at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Dec 2007 21:57:42 -0000
- Subject: [Bug tree-optimization/34038] 176.gcc segfaults when compiled with -O2 -ftree-vectorize -maltivec
- References: <bug-34038-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from janis at gcc dot gnu dot org 2007-12-03 21:57 -------
The failure occurs with "-m32 -O3 -maltivec -fno-strict-aliasing", but not
without -fno-strict-aliasing. That option is sometimes necessary because of
invalid code in 176.gcc, as described in
http://gcc.gnu.org/ml/gcc/2002-01/msg00711.html. Without it 176.gcc. fails
with -m64.
I get the failure with cpu2000 v1.2 plus 176.gcc.64bitgcc40.src.alt and with
cpu2000 v1.3.
--
janis at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |irar at il dot ibm dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34038