On Tue, Mar 28, 2023 at 3:11 PM Alexander Monakov via Gcc-patches
wrote:
>
> Do not attempt to use a plain subtraction for generating a three-way
> comparison result in autopref_rank_for_schedule qsort comparator, as
> offsets are not restricted and subtraction may overflow. Open-code
> a safe th
Do not attempt to use a plain subtraction for generating a three-way
comparison result in autopref_rank_for_schedule qsort comparator, as
offsets are not restricted and subtraction may overflow. Open-code
a safe three-way comparison instead.
gcc/ChangeLog:
PR rtl-optimization/109187
