https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84384
Peter Bergner <bergner at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner at gcc dot gnu.org --- Comment #2 from Peter Bergner <bergner at gcc dot gnu.org> --- So looking at the differences between -mcpu=power7 and -mcpu=power8, the preprocessed source shows diffs like: - __attribute__((altivec(vector__))) __int128_t vec_128_expected1, vec_128_result1; - __attribute__((altivec(vector__))) __uint128_t vec_u128_expected1, vec_u128_result1; + vector __int128_t vec_128_expected1, vec_128_result1; + vector __uint128_t vec_u128_expected1, vec_u128_result1; Not sure if vector __int128_t should be supported on power7 or not yet. Will look into it.