Re: [parisc-linux] [gcc] should we teach gcc some new tricks?

[Joel Soete <soete.joel@tiscali.be>]

John David Anglin wrote:
>>mmm do I well understand that to force gcc to on;y use fr4-f5 and fr22-fr26
>>(as do __muldi3), I had to use option:
>>cflags-y        += -mfixed-range=fr6-fr21,fr27-fr28
> 
> 
> Close, I used the change below.
mmm I definetely have to go back to elementary school (4 + 28 -1 = 31 and not 28, my bad !!!)

>  This seems to build and check ok.
Ok I will try to rebuild libgcc2 and kernel with same options.

Btw 2.6.12-pa1 already build and boot fine with above mentioned options.
Anyway still hanging after 44 min of stress test.

So imho 2 first thinks to do:
	o apply the right 'fixed-range' option
	o apply 2.6.12.1 patch

> I don't know if it would be possible to cut back another register or not.
> If I was going to try, I would add fr26 to the fixed list.
> 
If still not work, the 3rd test I will do ;-)

I will advise.

Thanks again,
     Joel
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