https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111384
Jeffrey A. Law <law at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2023-10-07
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> ---
So this is something we've been pondering over in rv64 land. Joern has an
extension to DCE which tracks subobjects in an attempt to determine if bits set
by sign/zero extensions are never read. If they aren't read, then the
extension can be eliminated.
