I believe have made all of libc .c's as consistent as possible.
support for fcmp and fcmpe instructions with a condition code specification other than %fcc0. This (primarily the first part) seems to fix a lot of problems that people were seeing, e.g. perl and gawk failures. Reported and analyzed by: wollman
of the (never committed) in-kernel version (with some optimizations and cleanups), which in turn was ported from NetBSD.