> -----Original Message----- > From: > [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > org] On Behalf Of Paulo Marques > Sent: Monday, January 21, 2008 5:15 PM > To: Andrew Hutchinson > Cc: [email protected]; Andy Hutchinson > Subject: Re: [avr-gcc-list] More results from the testsuite > with avrtest > > Quoting Andrew Hutchinson <[EMAIL PROTECTED]>: > > > The bug with PR27364 testcase appears recent. > > > > It fails with my 4.3 experimental copy 13/12/2007 > > > > Ok with avr-gcc (GCC) 4.2.2 (WinAVR 20071221) > > This got me thinking: it would be really nice if we could setup an > automated bisection test. > > We could start with something like: > > - known good revision: 117923 (gcc4.2 branch) > - known bad revision: 131704 > > This gives us 13781 revisions to test. By bisecting, we > should be able > to lock in on the offending patch in less than 14 attempts. A script > that automated this bisection process (checkout middle revision, test > it, mark good/bad) would be great to find what exectly caused > specific > regressions. > > I may give it a try tomorrow, >
Please see the GCC project about this. IIRC, they already have a script that does a binary search on failing test cases. IIRC, it is in the contrib subdirectory. Eric Weddington _______________________________________________ AVR-GCC-list mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
