On 2010-02-22 00:02:39 +0100, Erik Trulsson wrote: > On the other hand code compiled for an older CPU that is run a newer > CPU will run just fine, if slightly slower than they could have due to > not making use of new instructions in the newer CPU.
It will run, but may give unexpected or even incorrect flaoting-point results. See the number of duplicates (some of them can involve double rounding) in: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=323 -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <http://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon)
