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[Bug optimization/13951] [tree-ssa] cselib ICE during x86-64 kernel compile with treessa
- From: "rth at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Feb 2004 09:48:00 -0000
- Subject: [Bug optimization/13951] [tree-ssa] cselib ICE during x86-64 kernel compile with treessa
- References: <20040131205930.13951.ak@muc.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at redhat dot com 2004-02-05 09:47 -------
Subject: Re: [tree-ssa] cselib ICE during x86-64 kernel compile with treessa
On Thu, Feb 05, 2004 at 09:35:31AM +0100, Jan Hubicka wrote:
> To deal with this correctly, we would have to teach cselib to track down
> such a multi sets and invalidate result of the register immediately
> after processing.
No we don't. We can treat this just as CLOBBER.
r~
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13951