[Bug target/82418] Division on a constant is suboptimal because of not using imul instruction

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82418

Alexander Monakov <amonakov at gcc dot gnu.org> changed:

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                 CC|                            |amonakov at gcc dot gnu.org

--- Comment #3 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Marc, gcc code cannot be "several times" faster, it's likely that your test
measured something else, can you share it?

Clang's approach is also preferable because it doesn't tie up a temporary
register to hold the immediate.