https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119979
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Oleg Endo from comment #12) > (In reply to H.J. Lu from comment #9) > > Do iq2000 mcore sh4eb psABIs require signed/unsigned extensions for 8/16-bit > > integers? > > On SH we have two ABIs. GNU ABI (default) requires the sign extension to > 32-bit. The Hitachi/Renesas abi (-mrenesas) doesn't require it and allows > for undefined upper bits. So sign extension to 32-bit works for both ABIs.
