[Bug tree-optimization/60510] SLP blocks loop vectorization (with reduction)
dominiq at lps dot ens.fr
gcc-bugzilla@gcc.gnu.org
Wed Mar 12 14:49:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60510
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-03-12
Ever confirmed|0 |1
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed on 4.7.4, 4.8.3 and trunk r208512.
> When `+x(i)` removed, vectorization passes.
The same if 'x(i)*y(i)+x(i)' is replaced with 'x(i)*(1.0+y(i))' (work-around).
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