Kostya Shishkov <[email protected]> writes: > On Wed, Jun 27, 2012 at 01:38:06PM +0200, Christophe Gisquet wrote: >> 2012/6/27 Jason Garrett-Glaser <[email protected]>: >> > This should be REP_RET, but otherwise looks good. Will probably be >> > faster, too. >> >> Yes, as mentioned by Mans, the memcpy provided by whatever mingw-w64 >> uses (old msvcrt?) is not very fast: see cycle count in commit >> message. >> >> But even with a better memcpy, it should be a win. > > It should be a win without using _any_ memcpy at all :P
Yes, but doing that permutation in-place is difficult. -- Måns Rullgård [email protected] _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
