RISC-V Palmer Dabbelt <palmer@sifive.com>
RISC-V Andrew Waterman <andrew@sifive.com>
RISC-V Jim Wilson <jimw@sifive.com>
- RL78 DJ Delorie <dj@redhat.com>
- RX DJ Delorie <dj@redhat.com>
RX Nick Clifton <nickc@redhat.com>
s390, s390x Martin Schwidefsky <schwidefsky@de.ibm.com>
s390, s390x Andreas Krebbel <krebbel@linux.vnet.ibm.com>