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Re:Will It Optimize? See how well you can anticipate gcc's o... by colanderman on Sunday April 07, 2013 @10:45AM (#5507351)
What version of GCC are you using? The non-constant case compiles to "roll" as far back as GCC 4.4.
Re:Will It Optimize? See how well you can anticipate gcc's o... by praptak on Sunday April 07, 2013 @12:25PM (#5507663)
It was a really long time ago - around the time of the NIST contest for the AES, so around 2001. And thanks for the "roll" update :)