[Bug rtl-optimization/105119] the division in x / (1 << y) is optimized away when x has unsigned type, but not when it's signed

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105119

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

           What    |Removed                     |Added
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           Keywords|                            |missed-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think it's because arithmetic right-shift of negative values is undefined?