[Bug target/106471] Strange code generation for __builtin_ctzl()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106471

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

           What    |Removed                     |Added
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             Target|                            |x86_64-*-*
           Keywords|                            |missed-optimization
                 CC|                            |sayle at gcc dot gnu.org

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Roger is working on the sign-/zero-extension issue.  The false dependence thing
would be for adjusting generic tuning for more modern CPUs by default, I'm not
sure what's the oldest families still affected here.