Re: Register Spilling

["Naveen Sharma, Noida" <naveens at noida dot hcltech dot com>]

> On Thu, 11 Dec 2003, Naveen Sharma, Noida wrote:
>> This was the last post.
>> http://gcc.gnu.org/ml/gcc-patches/2003-01/msg02567.html
>>
>> Do let me know if you are interesred to use this.
> 
> (FWIW, I am.)
> 
>> This has
>> not been checked in the mainline. For patches like this
>> to go into mainline, they should be tested for atleast 5 gcc
>> targets. I couldn't do that.
> 
>Yes you can: <URL:http://gcc.gnu.org/simtest-howto.html> tells
>you how.

Thanks, I knew this but for an optimization patch, we 
need to prove that it actually improves (or doesn't degrade) 
code for (N >= 5) targets. This IMHO requires significant effort.
But since there is interest on this, I can do simulator
test with latest version of the patch, but not in a position to 
fix problems except sh-elf.

> Certainly many of the target listed fail to build

This would probably have to be tested on tree-ssa branch now, right?
Let me check what additional problems arise.

Best Regards,
Naveen Sharma.

> should be able to find five even without including your host
> computer.
>   Last I checked, arm-elf, m32r-elf, mips-elf,
> mn10300-elf, v850-elf and sh-elf worked (perhaps others do, but
> I don't test all the listed ones).  Oh, you can test using MMIX
> too; put Knuth's simulator named "mmix", linked from
> <URL:http://www-cs-faculty.stanford.edu/~knuth/mmix-news.html>
> somewhere in your PATH, use --target_board=mmixware-sim.
> 
> brgds, H-P