[Bug fortran/32380] misaligned stores don't get vectorized

[dorit at gcc dot gnu dot org]

------- Comment #5 from dorit at gcc dot gnu dot org  2007-07-15 19:02 -------
(In reply to comment #4)
> The arrays in this example all have compatible alignment.  This is one of the
> advantages many compilers see in the use of the "old-fashioned" block COMMON.
> In the usual case lft==1 all arrays in COMMON are aligned, with the size
> declarations given here.  So it is undesirable to split the loop to handle
> alignment.

ah, ok. so the real issue here is to make the vectorizer notice that all these
accesses have the same alignment (we have a way in the vectorizer to mark
accesses that have the same alignment even if the alignment itself is unknown).
to be continued...


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32380