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[Bug tree-optimization/71466] [7 Regression] wrong code at -O3 on x86_64-linux-gnu
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 09 Jun 2016 18:08:22 +0000
- Subject: [Bug tree-optimization/71466] [7 Regression] wrong code at -O3 on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-71466-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71466
--- Comment #6 from Jeffrey A. Law <law at redhat dot com> ---
FWIW, I've got two other BZs that exhibit at the surface seem to be the same
problem -- namely the new threading code causing the unroller to generate
incorrect code.
The after threading code looks right in the test I've been looking at, but I
find it hard to believe we've got 3 distinct instances where the new threading
code is exposing the same latent bug in the unroller.
So, anyway, at first glance this appears to be the same issue I'm already
tracking.