Peter Geoghegan <pg(at)heroku(dot)com> writes:
> Attached patch adds a portable Postgres wrapper on the GCC intrinsic.
Meh. I don't like the assumption that non-GCC compilers will be smart
enough to optimize away the useless-to-them if() tests this adds.
Please refactor that so that there is exactly 0 new code when the
intrinsic doesn't exist.
regards, tom lane