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[Bug c/30477] Integer Overflow detection code optimised away, -fwrapv broken
- From: "tg at mirbsd dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Jan 2007 04:08:39 -0000
- Subject: [Bug c/30477] Integer Overflow detection code optimised away, -fwrapv broken
- References: <bug-30477-13924@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from tg at mirbsd dot org 2007-01-16 04:08 -------
Subject: Re: Integer Overflow detection code optimised away,
-fwrapv broken
pinskia at physics dot uc dot edu dixit:
>> >> Especially you as the author of code in question
>> >I did not write this code, I just know of it.
>>
>> You did: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27257#c2
>
>Actually there are two different code, one I wrote which is does
>folding of a-10 > 0 into a>10 and other code which folds a-10>a into true,
>I wrote the first one.
Okay. Then, maybe, the person who wrote the other one
will stand up and speak.
[ not commenting on this Linux stuff, I don't use Linux ]
bye,
//mirabile
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30477