Danny Backx wrote:
> On Sat, 2009-08-29 at 17:30 -0400, pps wrote:
>> The problem I'm getting is that I can't build for iwmmxt cpu. I tried 
>> -mcpu=iwmmxt -march-iwmmxt -mabi=wmmxt etc, but nothing works.
> 
> I've never tried that. What's a iwmmxt cpu ? (What does it do different
> from the basic ARM we're compiling for?)

iwmmxt is the xscale cpu that has wmmx instruction set support (which 
resembles mmx from i386). Initially I thought that -mcpu=xscale is 
enough but then I found out that I had to use -mcpu=iwmmxt. I have some 
code that uses wmmx and I'm trying to compile it.
Here's reference for ms compiler for wmmx:
http://lmgtfy.com/?q=WMMX+Intrinsic+Functions


> 
>> Then I checked source code why I'm getting this error and it seems that 
>> it's impossible to build iwmmxt with cegcc for the following reason:
> 
> I'll have to dig deep to try and find the cause (and maybe the
> solution). From the top of my head, I believe this was last changed by
> Pedro after careful examination of what to do to get floating point
> parameter passing to work right.
> 

...
> 
> Don't confuse the config/arm and config/i386 directories. 

Oh, I didn't really pay attention what files. I checked what was changed 
that's all.

> 
> Do you still have the DLL issue you describe with the gcc-4.4 based
> toolchain ?

Yes, the problem is still there. I'm not really affected by this problem 
since I made upx to be part of my build. The only problem is that dll 
that I compress with upx is like 4MB in size and that means that I'm 
loosing a couple of megs of ram because of that (Am I correct?) and I'm 
constantly having that issue with virtual memory limit. I tried build 
with the latest 4.4 build and it doesn't work. The phones I have and 
tried for are htc touch pro 2, htc touch pro, motorola mc75 and I don't 
remember if I tried that on sonyericsson xperia, but I think it doesn't 
work also. I think it only works on htc tytn2, but I'm not using that 
phone anymore.

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