[Bug target/38306] [4.4/4.5/4.6/4.7 Regression] 15% slowdown w.r.t. 4.3 of computational kernel on some architectures
ubizjak at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sat Sep 10 13:11:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38306
--- Comment #26 from Uros Bizjak <ubizjak at gmail dot com> 2011-09-10 12:31:23 UTC ---
At -O3, vectorizer says:
pr38306.f90:246: note: not vectorized: the size of group of strided accesses is
not a power of 2D.2258_518 = *c0_193(D)[D.2257_517];
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