[Bug middle-end/36099] [4.4 Regression] early loop unrolling pass prevents vectorization, SLP doesn't do its job

[irar at il dot ibm dot com]

------- Comment #4 from irar at il dot ibm dot com  2008-05-04 06:02 -------
(In reply to comment #2)
> The vectorizer doesn't know to vectorize __builtin_cexpi or
> {REAL,IMAG}PART_EXPR
> either.
> 
> IMHO rather than somehow tweaking the early unroller the vectorizer should
> know how to deal with complex types.
> 

There already exists a missed-optimization PR for vectorization of
{REAL,IMAG}PART_EXPR - pr35252.

Ira


-- 

irar at il dot ibm dot com changed:

           What    |Removed                     |Added
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                 CC|                            |victork at il dot ibm dot
                   |                            |com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36099