Re: ifcvt cond_exec support rewrite

[Bernd Schmidt <bernds at codesourcery dot com>]

Hi Nick,

>> Experiments show that the
>> existing multi-if-block support isn't terribly effective on FRV;
>> before-after comparisons show that by turning it off, there are three
>> spots in gcc that are meaningfully changed, and below 20 in the C
>> benchmarks of SPEC2k.
>>
>> FRV also doesn't build in mainline, and it looks as if it likely hasn't
>> in a while, so I haven't tried testing this patch on it. If no public
>> manual can be found, is it still my responsibility to keep this support
>> working, or can we put the burden on the FRV maintainers?
> 
> You can put in on the FRV maintainers.

Thanks. That sounds like the manual you have was under NDA after all :(

> Although now that the FRV port
> does build it would be very much appreciated if you could provide a
> patch for this backend as well.

Ok. I'll wait for general review and if it looks like this will go in
I'll make an effort to at least make sure it generates correct code on
FRV (although it won't do multiple-block conversion).


Bernd