https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64442
--- Comment #3 from Mikael Pettersson <mikpelinux at gmail dot com> --- See PR323 and https://gcc.gnu.org/bugs/#known You could experiment with -ffloat-store, -mpc64, or -msse2 (if your CPU supports SSE2, which it should if it isn't ancient).
