Re: [avr-llvm-devel] Status update

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

Ok right now at 4:30am I've just finished all this stuff. So finally we can
say that global loading and storing is fully functional.

2011/4/21 Borja Ferrer <bor...@gm...>

> I'm 50% done with the global lds/sts stuff. Currently, these instructions
> get selected for non array variables for char and int types. For the array
> case, something like char g_var[11] = 0 is generating:
> ldi r24, 0
> ldi r30, g_var // should have the lo8, hi8 macros, i know xD
> ldi r31, g_var
> std Z+11, r24
>
> obviously this add has to be performed at compile time to this:
> ldi r24, 0
> sts g_var+11, r24
>
> also I'm looking into how how generate the hi8/lo8 macros that are needed
> to get the lo and hi part of the addresses. So at this stage I'm working out
> these cases to get the optimal code sequence, i'll post an update when i
> advance further with this.
>
>