https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040
Mikael Pettersson <mikpelinux at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mikpelinux at gmail dot com --- Comment #5 from Mikael Pettersson <mikpelinux at gmail dot com> --- According to my git bisect, this was fixed for gcc-10.1.0 by d4410ec0ab4e3d2c834a811acf9e39af32e1d1d8 is the first new commit commit d4410ec0ab4e3d2c834a811acf9e39af32e1d1d8 Author: H.J. Lu <hongjiu...@intel.com> Date: Wed May 15 15:31:18 2019 +0000 i386: Allow MMX vector expanders with TARGET_MMX_WITH_SSE PR target/89021 ... From-SVN: r271251 but it's part of a long series of patches (see PR89021) and I doubt it's backportable as-is.