https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80833
--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Peter Cordes from comment #0) > Scalar 64-bit integer ops in vector regs may be useful in general in 32-bit > code in some cases, especially if it helps with register pressure. We have scalar-to-vector pass (-mstv) that does the above, but chooses not to convert the above code due to costs.
