[Bug tree-optimization/45217] Tree optimizations do not recognize partial stores

2024-07-30 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45217 --- Comment #4 from Andrew Pinski --- So I think isel should be able to recognize these. So I will be trying to finish this up for GCC 15.

[Bug tree-optimization/45217] Tree optimizations do not recognize partial stores

2021-06-08 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45217 --- Comment #3 from Richard Biener --- Note that alternatively we do allow BIT_FIELD_REF on the LHS if it operates on memory... (we're inserting into a global variable for the testcase). But indeed a RMW cycle might be prefered on targets that c

[Bug tree-optimization/45217] Tree optimizations do not recognize partial stores

2021-06-08 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45217 Andrew Pinski changed: What|Removed |Added Status|NEW |ASSIGNED Build|i686-pc-linu

[Bug tree-optimization/45217] Tree optimizations do not recognize partial stores

2010-08-06 Thread rguenth at gcc dot gnu dot org
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-08-06 23:44 --- Confirmed. BIT_FIELD_EXPR would be a good match for this. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added --