This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [RFC][PATCH 2/3] Propagate and save value ranges wrapped information


On Thu, Apr 30, 2015 at 01:35:25PM +0200, Richard Biener wrote:
> I've long pondered with replacing the VRP overflow checking code
> (for -fstrict-overflow) with keeping two lattices - one honoring undefined
> overflow and one not and then comparing the results in the end.

Yeah, that would be greatly appreciated.  The (OVF) stuff is complete mess.

	Jakub


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]