[Bug target/49057] scheduling difference of subs cause 80% performance difference

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49057

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
                 CC|                            |egallager at gcc dot gnu.org
         Resolution|---                         |INVALID

--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Richard Earnshaw from comment #1)
> You haven't said what CPU this is for, what options you used when compiling,
> and you haven't provided a complete testcase.
> 
> Are you *absolutely* sure this is the only difference? because I find that
> hard to believe.  More likely is that the loop has a different alignment, or
> there is some other, secondary, issue that you've exposed.

Reporter never replied; closing