[Bug target/80732] target_clones does not work with dlsym

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80732

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Yichao Yu from comment #4)
> `double (*pf1)(double, double, double) = dlsym(hdl, "f1.ifunc");`
> 
> Wouldn't it be better if GCC generates local functions `f1.default`,
> `f1.fma` as implementation and `f1` to replace `f1.ifunc`? It's quite
> incontinent if this detail is exposed.
> 
> If one have to use `f1.ifunc`, does it also mean that the declaration of the
> function in the header must also have `target_clone` applied?

Yep, agree with you that's inconvenient. I've got semi-working patch, where I
need to vanish assembler names in a better way. Will send patch in next days.