> -----Original Message----- > From: Nathan Bossart <nathandboss...@gmail.com> > Sent: Monday, March 18, 2024 2:08 PM > To: David Rowley <dgrowle...@gmail.com> > Cc: Amonson, Paul D <paul.d.amon...@intel.com>; Andres Freund >... > > The only reason I left it out was because I couldn't convince myself that it > wasn't dead code, given we assume that popcntq is available in > pg_popcount64_fast() today. But I don't see any harm in adding that just in > case.
I am not sure how to read this. Does this mean that for popcount32_fast and popcount64_fast I can assume that the x86(_64) instructions exists and stop doing the runtime checks for instruction availability? Thanks, Paul
