[Bug rtl-optimization/44123] gcc produces poor code at -O1

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2010-05-13 21:43 -------
(In reply to comment #2)
> Yes, poor is a better word.
> 
> And by poor, I mean that gcc produces many superfluous loads and stores and
> even a branch.

Yes -O1 is by design produces extra loads/stores in some cases.  


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44123