[Bug tree-optimization/120279] Missed DCE for __builtin_{clzg,ctzg} when bitshift

2025-05-15 Thread kaelfandrew at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120279 --- Comment #2 from Kael Franco --- (In reply to Richard Biener from comment #1) > I'm not sure what you are after? That in f1() the earlier of both shifts > can be removed? Correct.

[Bug tree-optimization/120279] Missed DCE for __builtin_{clzg,ctzg} when bitshift

2025-05-14 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120279 --- Comment #1 from Richard Biener --- I'm not sure what you are after? That in f1() the earlier of both shifts can be removed?