[Bug tree-optimization/110613] optimization about combined store of adjacent bitfields

2023-07-11 Thread lh_mouse at 126 dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110613 --- Comment #3 from LIU Hao --- There are some more cases about loading adjacent bitfields; not sure whether I should create new PRs or paste them here. They seem highly related to the aliasing characteristics of `unsigned char`; if I inject

[Bug tree-optimization/110613] optimization about combined store of adjacent bitfields

2023-07-11 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110613 --- Comment #2 from Richard Biener --- bitfield lowering / store merging might be the enabling passes

[Bug tree-optimization/110613] optimization about combined store of adjacent bitfields

2023-07-10 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110613 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Ever confirmed|0