https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118925
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
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.
