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[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2
- From: "sirl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 21 Sep 2017 15:00:15 +0000
- Subject: [Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2
- Auto-submitted: auto-generated
- References: <bug-82271-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271
--- Comment #6 from Franz Sirl <sirl at gcc dot gnu.org> ---
Actually this is likely triggered by undefined behaviour. The array m_pTemp is
too small for nAccessSize=4096. Increasing the array size to 1024 elements
makes the bug go away.
If you agree, just close the bug and sorry for the noise.