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[Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures
- From: "kyukhin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 11 Apr 2016 08:34:07 +0000
- Subject: [Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures
- Auto-submitted: auto-generated
- References: <bug-70577-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70577
Kirill Yukhin <kyukhin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kyukhin at gcc dot gnu.org
--- Comment #8 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
This commit caused miscompare of spec2000/178.galgel on -march=skylake-avx512
(-Ofast -flto -funroll-loops):
Newton iteration # 0 Maximal derivative = 0.1526E-07
Newton iteration # 0 Maximal derivative = 0.3901E-07