On Wed, 12 Jun 2024, Paolo Bonzini wrote:
> I didn't do this because of RHEL9, I did it because it's silly that > QEMU cannot use POPCNT and has to waste 2% of the L1 d-cache to > compute the x86 parity flag (and POPCNT was introduced at the same > time as SSE4.2). >From looking at that POPCNT patch I understood that Qemu detects presence of POPCNT at runtime and will only use the fallback when POPCNT is unavailable. Did I misunderstand? Alexander
