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RE: [avr-gcc-list] More results from the testsuite with avrtest
From: |
Weddington, Eric |
Subject: |
RE: [avr-gcc-list] More results from the testsuite with avrtest |
Date: |
Mon, 21 Jan 2008 17:22:26 -0700 |
> -----Original Message-----
> From:
> address@hidden
> [mailto:address@hidden
> org] On Behalf Of Paulo Marques
> Sent: Monday, January 21, 2008 5:15 PM
> To: Andrew Hutchinson
> Cc: address@hidden; Andy Hutchinson
> Subject: Re: [avr-gcc-list] More results from the testsuite
> with avrtest
>
> Quoting Andrew Hutchinson <address@hidden>:
>
> > 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] More results from the testsuite with avrtest, Paulo Marques, 2008/01/19
- RE: [avr-gcc-list] More results from the testsuite with avrtest, Weddington, Eric, 2008/01/19
- RE: [avr-gcc-list] More results from the testsuite with avrtest, Weddington, Eric, 2008/01/19
- RE: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/19
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Andy Hutchinson, 2008/01/21
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/21
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Andrew Hutchinson, 2008/01/21
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/21
- RE: [avr-gcc-list] More results from the testsuite with avrtest,
Weddington, Eric <=
- RE: [avr-gcc-list] More results from the testsuite with avrtest, John Regehr, 2008/01/21
- RE: [avr-gcc-list] More results from the testsuite with avrtest, Weddington, Eric, 2008/01/21
- Delta [was: RE: [avr-gcc-list] More results from the testsuite with avrtest], Weddington, Eric, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Andrew Hutchinson, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Andrew Hutchinson, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Paulo Marques, 2008/01/22
- Re: [avr-gcc-list] More results from the testsuite with avrtest, Andrew Hutchinson, 2008/01/22
- RE: [avr-gcc-list] More results from the testsuite with avrtest, Weddington, Eric, 2008/01/23