cross-sparc-gcc12 from home:Simmphonie:gcc project
Select Your Operating System
Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:gcc/15.4/home:Simmphonie:gcc.repo zypper refresh zypper install cross-sparc-gcc12