2011/9/26 Georg-Johann Lay <a...@gjlay.de>:
> This patchlet represents the impact of insn ashrqi3 on CC by means of
> attribute
> "cc" instead of hard-coding it in notice_update_cc.
>
> Testsuite passes fine. Moreover, tested against code like
>
> char c;
>
> void func_1 (char a)
> {
> a = a >> 7;
> if (a)
> c = a;
> }
>
> that triggered PR39633.
>
> Ok?
>
> Johann
>
> * config/avr/avr.md (ashrqi3): Split alternative "n"
> into its remaining parts C03, C04, C05, C06, C07 and describe
> impact on CC by attribute "cc" appropriately.
> * config/avr/avr.c (notice_update_cc): Clean-up: Don't patch CC0
> by digging RTX.
>
Approved.
Denis.
