[Bug rtl-optimization/117297] late combine undoes too much

2024-10-25 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117297 --- Comment #2 from Andrew Pinski --- I might look to see if that fixes or changes the situtation next week or so. Unless Richard beats me to it.

[Bug rtl-optimization/117297] late combine undoes too much

2024-10-25 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117297 --- Comment #1 from Andrew Pinski --- I am not 100% sure if this will help but if we can run the cost before calling changes_are_worthwhile in insn_combination::run to precalucate the old cost, this might improve the situtation.