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[Bug target/18910] [4.0 Regression] unrecognisable insn in regclass on x86/amd64
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Dec 2004 21:24:08 -0000
- Subject: [Bug target/18910] [4.0 Regression] unrecognisable insn in regclass on x86/amd64
- References: <20041209200756.18910.pluto@pld-linux.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-12 21:24 -------
(In reply to comment #12)
> (In reply to comment #9)
> > The fail dates from comment #3 probably refer to this change
> What this tells me it is a latent bug in x86/x86_64 back-end as my change should not change what
> RTL is produced as it is the back-end's job to reject addressing modes.
One more thing, the recent change which caused this was fold combining &a + 8 into &a[2] so again
this is a latent bug in the target.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18910