https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68217
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, so combine should have used sign_extract here because of the comparison
code I think.
There is also a missed optimization in VRP as signed & sign-bit-CST should
result in a [-INF, 0] range, not a [-INF, INF] range as now.
