Linus Torvalds wrote:
(That said, I think __builtin_memcpy() does a reasonable job these days
with gcc, and we might drop the crap one day when we can trust the
compiler to do ok. It didn't use to, and we continued using our
ridiculous macro/__builtin_constant_p misuses just because it works with
_all_ relevant gcc versions).
Yep, a ton of work by Roger Sayle, among others, really matured the gcc
str*/mem* builtins in the 4.x series. They are definitely worth another
look.
Jeff
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