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[Bug optimization/13379] [tree-ssa] miscompiles 2.6.0-test11 Linux kernel
- From: "dnovillo at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Mar 2004 02:20:06 -0000
- Subject: [Bug optimization/13379] [tree-ssa] miscompiles 2.6.0-test11 Linux kernel
- References: <20031210200045.13379.mingo@elte.hu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dnovillo at redhat dot com 2004-03-02 02:20 -------
Subject: Re: [tree-ssa] miscompiles 2.6.0-test11
Linux kernel
On Mon, 2004-03-01 at 20:12, mingo at elte dot hu wrote:
> tried the 20040301 tree-ssa snapshot and indeed the 2.6.3 bootmem.c does not
> crash anymore!
>
> the previous one i tried was 20040130 (~1 month old). So it must have been
> solved by one of the fixes in the past 30 days.
>
Excellent. Thanks Ingo.
Now that I look at the test cases again, I wonder if this wasn't fixed
by Andrew's volatile fixes. We were recombining expressions with
volatile variables that were wreaking havoc in other targets.
Diego.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13379