https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118925
Xi Ruoyao <xry111 at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |xry111 at gcc dot gnu.org
--- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Global-Register-Variables.html
>
> Do not use type qualifiers such as const and volatile, as the outcome may be
> contrary to expectations. In particular, using the volatile qualifier does
> not fully prevent the compiler from optimizing accesses to the register.
>
>
> In fact it is DOCUMENTED this way.
So should we just warn about a cv-qualified global register variable or even
reject that?
