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Re: Graph coloring for register allocation?
- To: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Subject: Re: Graph coloring for register allocation?
- From: Daniel Berlin <dberlin at redhat dot com>
- Date: Fri, 19 Jan 2001 17:50:29 -0500 (EST)
- cc: Daniel Berlin <dberlin at redhat dot com>, Michael Matz <matzmich at cs dot tu-berlin dot de>, Robert Dewar <dewar at gnat dot com>, Untitled <gcc at gcc dot gnu dot org>, Stan Shebs <shebs at apple dot com>
On Sat, 20 Jan 2001, Michael Hayes wrote:
> Daniel Berlin writes:
>
> > This was actually the largest pain in the ass for generating the
> > interference graph. I stole two routines from combine.c and modified them
> > (they tell you whether a register is live after a certain insn).
>
> I posted some generic dataflow routines that I posted to this list a
> few weeks ago that could help with this. As well as liveness info,
> they generate def-use and use-def info from which you can generate
> webs from.
>
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.
--Dan