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[Bug target/28629] [4.1] Segfault with --march=pentium-m -O2 when compiling faac
- From: "dorit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Aug 2007 07:49:15 -0000
- Subject: [Bug target/28629] [4.1] Segfault with --march=pentium-m -O2 when compiling faac
- References: <bug-28629-12845@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from dorit at gcc dot gnu dot org 2007-08-26 07:49 -------
(In reply to comment #9)
> I've confirmed that the problem is caused by '-ftree-vectorize' passed to
> compile gcc. More precisely, a 'movdqa' instruction in constraint_operands()
> accessed an unaligned memory.
since this is reported to work on 4.2 and 4.3, I wonder if it's related to the
fix for PR25413 (which was committed to 4.2 and 4.3).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28629