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Re: copyprop_hardreg_forward bootstrap failure
- From: Dan Nicolaescu <dann at godzilla dot ICS dot UCI dot EDU>
- To: Richard Henderson <rth at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Thu, 13 Dec 2001 15:27:34 -0800
- Subject: Re: copyprop_hardreg_forward bootstrap failure
Richard Henderson wrote:
> On Thu, Dec 13, 2001 at 04:34:41PM -0500, David Edelsohn wrote:
> > This patch breaks bootstrap on AIX. I suspect because of the hardreg
> > relationship that this is another case of a HARD_REGNO_NREGS problem.
>
> Looks like it. I reproduced a problem related to this with eabisim;
> hopefully the fix will cure AIX as well. Won't know for a little
> while though...
The bootstrap also fails on sparc.
The stage1 compiler gets an ICE when compiling something in libgcc2.c
Bootstraping with BOOT_FLAGS="-O2 -g -fno-cprop-registers" works.
Hope this helps...