https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87914

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
             Blocks|                            |53947
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot 
gnu.org

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note that if that is fixed we still fail vectorization with

t.C:8:21: missed:   not vectorized: relevant stmt not supported: _16 = mask_26
<< s_7;
t.C:18:27: missed:  bad operation or unsupported loop bound.

I have a fix for that.  But in the end the issue is weak handling of vectorized
nested cycles in general.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
[Bug 53947] [meta-bug] vectorizer missed-optimizations

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