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[Bug ipa/65028] [5 Regression] 450.soplex in SPEC CPU 2006 is miscompiled
- From: "jamborm at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Feb 2015 17:35:08 +0000
- Subject: [Bug ipa/65028] [5 Regression] 450.soplex in SPEC CPU 2006 is miscompiled
- Auto-submitted: auto-generated
- References: <bug-65028-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65028
--- Comment #10 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #9)
> The same bug affects 252.eon in SPEC CPU 2000 on x32:
...
>
> The fix isn't sufficient since adding -fno-ipa-cp fixes eon on x32.
I really doubt that it is "the same bug." Just that -fno-ipa-cp
avoids it certainly does not suffice to make that conclusion.
Anyway, I will try to find some time to look soon, although setting up
x32 environment will take me some time. I suppose this bug also
manifests itself with -O3 and LTO?