Tom Lane <t...@sss.pgh.pa.us> schrieb:
>Boszormenyi Zoltan <z...@cybertec.at> writes: >> Then, why isn't memcpy() skipped if the source and dest are the same? >> It would be a micro-optimization but a valid one. > >No, it'd be more like a micro-pessimization, because the test would be >wasted effort in the vast majority of calls. The *only* reason to do >this would be to shut up valgrind, and that seems annoying. > >I wonder if anyone's tried filing a bug against valgrind to say that it >shouldn't complain about this case. You already need a suppression file to use valgrind sensibly, its easy enough to add it there. Perhaps we should add one to the tree? --- Please excuse brevity and formatting - I am writing this on my mobile phone. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
