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Re: optimization/6162: gcc 3.0.4: certain i386 asm reloader ice
- From: Kevin Ryde <user42 at zip dot com dot au>
- To: Michael Matz <matz at suse dot de>
- Cc: Nathanael Nerode <neroden at twcny dot rr dot com>, <gcc-gnats at gcc dot gnu dot org>, <gcc-prs at gcc dot gnu dot org>, <gcc-bugs at gcc dot gnu dot org>, <gcc at gcc dot gnu dot org>, Torbjörn Granlund <tege at swox dot com>
- Date: Sat, 02 Nov 2002 07:40:40 +1000
- Subject: Re: optimization/6162: gcc 3.0.4: certain i386 asm reloader ice
- References: <Pine.LNX.4.33.0210302300560.20702-100000@wotan.suse.de>
Michael Matz <matz@suse.de> writes:
>
> To fix this indeed would be quite involved, as we would need to handle
> then all permutations of swappings (of which there are 4 with two pairs).
As a suggestion in the interim, perhaps internally all but the last
commutative could be quietly dropped. If only the last is acted on
now anyway then it'd be no loss, and it'd let applications give full
information, if that might be useful in the future.