On Sat, Feb 25, 2023 at 9:32 PM Joseph Yu <kiddo831...@gmail.com> wrote:
> hi community > > This is the first time for me to submit a patch to Postgres community. > > instead of using for loop to find the most significant bit set. we could > use __builtin_clz function to first find the number of leading zeros for > the mask and then we can find the index by 32 - __builtin_clz(mask). > Hi! This file has already been removed, as of 4f1f5a7f85. Which already uses __builtin_clz if it' available. Were you perhaps looking at an old version instead of the master branch? -- Magnus Hagander Me: https://www.hagander.net/ <http://www.hagander.net/> Work: https://www.redpill-linpro.com/ <http://www.redpill-linpro.com/>