Graph coloring for register allocation?

[Daniel Berlin]

On Sat, 20 Jan 2001, Michael Hayes wrote:

> Daniel Berlin writes:
>  > Neat!
>  > Apparently i'm blind. I searched the archives (for dataflow, use-def,
>  > etc), and looked at all messages
>  > from you since december, and all i can find is loop patches.
>  > Are these routines in one of them? If so, which one. There are about 20
>  > Loop patches from you.
>
> Ah, in retrospect it was pretty obscure.
>
> Try gcc.gnu.org/ml/gcc/2000-12/msg00888.html
>
> Michael.
>
Almost works, except you appear to have modified sbitmap.h to include an
EXECUTE_IF_SET_IN_SBITMAP_REV macro.
It appears to have no min argument (IE it's not EXECUTE_IF_SET_IN_SBITMAP
with the for loop arguments changed a little), so could you post the patch
that gives this routine?
--Dan