Re: [avr-llvm-devel] Status update

[Borja F. <bor...@gm...>]

Ok John thanks for looking into it.
I'm still waiting a reply from the llvmdev list about reserving the Y reg
only if accessing the stack, i bumped the issue again to see if somebody
replies. Always reserving the Y reg would very bad for memory operations.

2011/5/25 John Myers <ato...@gm...>

>
>
> On Wed, May 18, 2011 at 2:59 PM, Borja Ferrer <bor...@gm...>wrote:
>
>> PS: John, with clang do you get doubles or long long variables aligned to
>> an 8 byte boundary? I've set their alignments to 1 byte in a constructor
>> (cant remember now the name, but it's in the clang patch files in svn) but
>> they get aligned too much wasting memory. Any ideas there?
>>
> I've never checked the correctness of what the AVR target info produces.
> It's basically a patchwork of other targets like PIC16 and MSP430. There
> isn't much clang documentation for creating a port (at least compared to
> LLVM). I also think clang is X86 centric and has some hard coded assumptions
> of the Target. There are more src files that will need to be modified in
> clang but I believe Target.cpp is the minimum that allows it to be compiled.
> I'll try to find some time to look into it.
>