https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118512
--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- The OSA 2015 document says that VIS3 & VIS 3B are supported since SPARC T3 (Niagara 3), in particular by SPARC T4 (Niagara 4). What's the command line passed to the assembler by GCC exactly?