https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88601
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jeff Muizelaar from comment #3) > As heads up, we're also starting to use __builtin_shufflevector in Firefox: > https://searchfox.org/mozilla-central/source/gfx/wr/swgl/src/vector_type.h > > We have a fallback for gcc, but it is not pretty. GCC has __builtin_shuffle but that is different from __builtin_shufflevector. __builtin_shufflevector seems like a hack though.
