[Bug c/105950] > O2 optimization causes runtime (SIGILL) during main initialization

jkanapes at yahoo dot com gcc-bugzilla@gcc.gnu.org
Wed Jun 15 12:26:27 GMT 2022


--- Comment #30 from John Kanapes <jkanapes at yahoo dot com> ---
I checked without the -mavx2 option, and it worked with -O3 optimization, even
with gcc 9.4.0:)
It seems that whatever problem is related to that option.
Have you tried it with -mavx2 option in 9.5 and 12.1?

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