https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71648
Michael Meissner <meissner at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-06-24 Ever confirmed|0 |1 --- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> --- This is a bug that shows up with -mcpu=power7, and it still is a bug in the current GCC 7.0. If you build it with -mcpu=power8, it will compile fine. This is because power8 has the direct move instructions, which power7 does not.