On 2014-04-15 21:57:21 +0100, Roger Lynn wrote: > The purpose of this gcc warning isn't to warn you that overflow > might happen, but to warn you when gcc's optimisations have broken > any two's complement overflow behaviour that you might have > expected. Thus if you have written code that assumes "normal" two's > complement overflow you get a warning when it has been broken by > assumptions made by the optimiser. In other cases you get "normal" > overflow so there is no need for this warning.
Thanks for the explanations. So, those whose intent is to follow the C standard don't need / don't want this warning. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20140416142917.gb29...@ypig.lip.ens-lyon.fr
