site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com On 04 Nov 2006, at 11:51, Uli Kusterer wrote: Jonas _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... What is meant by the STx registers being empty on entry/exit to function calls. Does that mean they contain zero? Or is there some status flag to indicate one as unused? The x86' fpu, the x87, uses a stack-based register file (with 8 slots) rather than a flat register file like pretty much every other cpu/fpu out there. The statement means that the register stack of the x87 must be empty on entry/exit. This email sent to site_archiver@lists.apple.com