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[Bug c/66598] With -O3 gcc incorrectly assumes aligned SSE instructions (e.g. movapd) can be used
- From: "mikpelinux at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 20 Jun 2015 08:09:58 +0000
- Subject: [Bug c/66598] With -O3 gcc incorrectly assumes aligned SSE instructions (e.g. movapd) can be used
- Auto-submitted: auto-generated
- References: <bug-66598-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66598
Mikael Pettersson <mikpelinux at gmail dot com> changed:
What |Removed |Added
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CC| |mikpelinux at gmail dot com
--- Comment #1 from Mikael Pettersson <mikpelinux at gmail dot com> ---
I can reproduce the SEGV with current gcc-6, 5, and 4.9, but not with 4.8 or
4.7.
Dropping from -O3 to -O2 also prevents the SEGV.