[Bug tree-optimization/27299] [4.1 Regression] vectorizer generates aligned accesses to unaligned memory

[pinskia at gcc dot gnu dot org]

------- Comment #7 from pinskia at gcc dot gnu dot org  2006-04-25 17:35 -------
(In reply to comment #5)
> Yes, but the problem appears with -O1 which has -fno-strict-aliasing.  Now
> whether -fno-strict-aliasing makes the testcase valid is another question ;)

Nope, unaligned access is different from strict aliasing. With the cast to
uint64_t* you say the alignment is correct for that type.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27299