Thomas Munro <thomas.mu...@gmail.com> writes: > I'm curious, though... if we used compiler builtins, would > -march/-mcpu etc know about this kind of thing, for people who wanted > to compile on ancient hardware, or, I guess more interestingly, newer > tricks that we haven't got around to learning about yet?
No idea, but I could run some tests if you have something
specific in mind.
regards, tom lane
