You can set the level of instructions to use. There are some levels that are compatible enough with modern CPUs ( something like all x64 CPUS) that will work fo

You can set the level of instructions to use. There are some levels that are compatible enough with modern CPUs ( something like all x64 CPUS) that will work for most of people. https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html