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Re: [rfc] multi-word subreg lowering pass
- From: Ian Lance Taylor <ian at airs dot com>
- To: BjÃrn Haase <bjoern dot m dot haase at web dot de>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: 01 Jun 2006 15:26:41 -0700
- Subject: Re: [rfc] multi-word subreg lowering pass
- References: <Pine.LNX.4.44.0605280835280.26534-100000@www.eyesopen.com> <m3verk3f7q.fsf@gossamer.airs.com> <200606011206.46472.bjoern.m.haase@web.de>
BjÃrn Haase <bjoern.m.haase@web.de> writes:
> Ian Lance Taylor wrote on Donnerstag, 1. Juni 2006 20:26 :
> > I've also been working on this. I'm currently running a version of
> > RTH's lower-subreg pass twice, once early and once after splitting
> > instructions.
> Would it be possible to sketch with a few lines what you needed to do in order
> to get the lowering working after splitting (i.e. despite the newly inserted
> pseudos)?
hold_no_new_pseudos = no_new_pseudos;
no_new_pseudos = 0;
/* do stuff */
no_new_pseudos = hold_no_new_pseudos;
update_life_info (changed_blocks, UPDATE_LIFE_GLOBAL_RM_NOTES,
PROP_DEATH_NOTES);
Ian