https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106462
--- Comment #3 from Yang Yujie <yangyujie at loongson dot cn> --- (In reply to Vladimir Makarov from comment #2) > I built mips64el-linux-gnuabi64 but using -mabi=64 -msingle-float for it > gives > > cc1: error: unsupported combination: -mgp64 -mno-odd-spreg > > Did I miss something? Hi Vladimir, thanks for your reply! It seems that you need to specify -march=mips64r2 (or configure gcc with --with-arch=mips64r2). This turns on -mno-spreg by default.