[Bug target/115069] 8 bit integer vector performance regression, x86, between gcc-14 and gcc-13 using avx2 target clones on skylake platform

[haochen.jiang at intel dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115069

Haochen Jiang <haochen.jiang at intel dot com> changed:

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--- Comment #3 from Haochen Jiang <haochen.jiang at intel dot com> ---
>From my investigation, GCC14 generates some perm instructions, which caused
data dependency.

Going to bisect which commit caused this issue.