: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: debiandev at gmail dot com
On Sandy/Ivy Bridge and Haswell processors, the instruction:
popcnt src, dest
appears to have a false dependency on the destination register dest. Even
though the instruction only
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62011
--- Comment #3 from Andev ---
This seems to be specific to some latest Intel CPUs. I am not sure which other
CPUs are affected. There is no official errata for this behavior AFAIK.
As Alexander suggested, it would be a great idea to have a work