On Wed, Mar 13, 2019 at 2:44 PM Nathan Chancellor <natechancellor@xxxxxxxxx> wrote: > On Wed, Mar 13, 2019 at 09:13:11AM +0100, Rasmus Villemoes wrote: > > Wouldn't it be better to just define bcmp as an alias for memcmp? They > > seem to have compatible prototypes, and then somebody might someday sit > > down and implement some word-at-a-time version of bcmp making use of the > > weaker guarantees about the return value to gain some performance. But I > > suppose that can also be done later. > > Thank you much for the review, I didn't even realize this was possible :) > > I'd certainly like to explore it as that is what glibc does. How would > you suggest going about it here? I suggested a possible implementation (likely contains bugs) and an alias for architectures that require strict alignment, see https://bugs.llvm.org/show_bug.cgi?id=41035#c11 We could start out with just the alias. Arnd
