[Bug tree-optimization/69907] wrong code at -O3 on x86_64-linux-gnu

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Feb 23 12:56:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69907

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, we create an epilogue loop because of the gaps in p2[n*2]

t2.c:4:5: note: Data access with gaps requires scalar epilogue loop

but then SLP vectorize that epilogue which has been fully unrolled.


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