[Bug target/98667] gcc generates endbr32 invalid opcode on -march=i486

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98667

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I guess to stay compatible with such CPUs one would need to disable CET
completely.
Pentium II (or whatever is the oldest that supports it):
https://stackoverflow.com/questions/56120231/how-do-old-cpus-execute-the-new-endbr64-and-endbr32-instructions
treat it as nops, which is the expected behavior on non-CET enabled hw.