[Bug target/125084] [target/i386] ix86_endbr_immediate_operand misses ENDBR pattern when upper bytes nonzero

[liuhongt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125084

--- Comment #4 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
(In reply to Haochen Jiang from comment #3)
> Please go ahead with the patch and testcases.

Yes, the Proposed Fix looks reasonable.