[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 gcc-bugzilla@gcc.gnu.org
Sun May 4 05:54:00 GMT 2008



------- Comment #3 from irar at il dot ibm dot com  2008-05-04 05:54 -------
(In reply to comment #1)
> 
> SLP also doesn't handle vectorization of register operations but needs
> memory source and destination operands(?).  

Right.

> Likewise SLP shouldn't be
> confused by unvectorizable data types?

SLP does get confused by unvectorizable data types.

Ira


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



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