https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110303
m.cencora at gmail dot com changed:
What |Removed |Added
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CC| |m.cencora at gmail dot com
--- Comment #6 from m.cencora at gmail dot com ---
(In reply to Denis Yaroshevskiy from comment #4)
> > so _mm_shuffle_epi32 requires a constant but since it is an argument, the
> > argument, it is not a constant expression requirement.
>
> The function is marked constexpr. So it can be a constant if you ask it.
constexpr at function declaration means that it COULD be evaluated in compile
time, but doesn't force it.
To force it either invoke it in a context that requires a compile-time
evaluation (e.g. static_assert, or initializer of constexpr variable), or mark
it as consteval instead.
