[Bug tree-optimization/90768] better range analysis for converting bit tests into less-than greater-than

2021-09-05 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90768 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement --- Comment #6 from Andrew

[Bug tree-optimization/90768] better range analysis for converting bit tests into less-than greater-than

2019-06-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90768 --- Comment #5 from Richard Biener --- We miss a s < 16 && s & 8 simplification pattern in the code ifcombine uses to do this (which should be removed / moved to match.pd and use its machinery which I stated elsewhere).

[Bug tree-optimization/90768] better range analysis for converting bit tests into less-than greater-than

2019-06-05 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90768 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization