Re: [avr-gcc-list] Improving in leaps and skips!

[E. Weddington]

Björn Haase wrote:

> Am Dienstag, 1. März 2005 18:16 schrieb E. Weddington:
>  
>
> > Björn Haase wrote:
> >    
> >
> > > FYI: I presently observe around 491 testsuite failures only, most of
> > > them due to missing nested function support and missing support of
> > > library functions like sprintf() for operations that are not important
> > > for avr.
> > >      
> > That's interesting. avr-libc has the sprintf() function. Do those tests
> > need to be conditionally rewritten so they will properly execute for
> > avr-libc?
> >
> > Eric
> >    
> I would have to look after it in detail for each individual case, but in most 
> cases that I have investigated so far, it was an error that showed up when 
> passing, e.g., a long double to sprintf or, e.g.,  an unsigned long long. ... 
> Instead of handling also these cases in the avr-libc, I'd rather consider to 
> start with marking these testcases as "xfail". I, e.g., don't feel that 
> anybody whithin the avr community will miss long double support for sprintf 
> for quite a while :-) ...
>  
Ah. I completely agree.

> Concerning the test suite it will require some tedious work to remove all the 
> obsolete or irrelevant failures. I have started with doing this for 3.4.3, 
> but I will have to redo most of the work for 4.0.0: the 4.0.0 testsuite 
> harness is much improved and much better documented than it used to. 
> I meanwhile already have opened a thread on gcc-patches and already got a 
> response on the style the testsuite magic comments are expected to be 
> generated in future. 
>
>  

Thank you so much for doing this for 3.4.3 and for 4.0!

> Most important work will be the definition of a new switch with the working 
> title  "no_nested_function_support"  that makes it possible to remove all 
> those related bugs. I thing that at least 300 of the remaining 491 failing 
> test cases would be skipped this way.
>
>  
I'm not familiar with the test suite, and I'm curious: Where do these 
"nested functions" tests come from? That's not a C language feature. Is 
it C++?

Eric