This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Question on fixup_abnormal_edges
- From: Michael Matz <matz at suse dot de>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: <hainque at act-europe dot fr>, <gcc at gcc dot gnu dot org>
- Date: Tue, 15 Oct 2002 17:12:30 +0200 (CEST)
- Subject: Re: Question on fixup_abnormal_edges
Hi,
On Tue, 15 Oct 2002, Michael Matz wrote:
> And at least in the new register allocator call clobbered regs are not
> considered for pseudos live over abnormal edges.
I spoke too soon. Abnormal edges are only used to prevent STACK_REGS from
being allocated to such pseudos, similar to what global.c is doing.
Ciao,
Michael.