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[Bug ipa/65028] [5 Regression] 450.soplex in SPEC CPU 2006 is miscompiled
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 18 Feb 2015 21:31:16 +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 #39 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Jan Hubicka from comment #38)
> Created attachment 34803 [details]
> ipp
>
> OK. Though I do not directly see how it can solve this wrong code issue.
It doesn't work. propagate_constants_accross_call doesn't call
propagate_alignment_accross_jump_function for all edges. On some
skipped edges, caller passes arguments with unknown alignment.