[Bug c/66598] With -O3 gcc incorrectly assumes aligned SSE instructions (e.g. movapd) can be used

mikpelinux at gmail dot com gcc-bugzilla@gcc.gnu.org
Sat Jun 20 08:10:00 GMT 2015


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.



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