https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84106
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu.org
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Try -fno-tree-loop-distribute-patterns. The test2 loop is recognized as memcpy
and expanded as such. Theory (and practice?) is that the emitted rep movsq
is faster than the vectorized loop.
