[Bug target/86952] Avoid jump table for switch statement with -mindirect-branch=thunk

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86952

--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> ---
Ok, I've updated slightly the micro-benchmark and I see following difference:
https://github.com/marxin/microbenchmark/tree/retpoline-table

on my Haswell desktop:

./test
no jump table: 4265908653
jump table   : 5118680921 (119.99%)

which is quite small I would say..