https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70155
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Uroš Bizjak from comment #1) > This can be tweaked in processor_cost table. RA will use integer registers for TImode. > However, is SSE move really faster? Cost tables doesn't say so. Yes, that is what vector instructions are used for.
