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[Bug tree-optimization/62031] [4.8 Regression] Different results between O2 and O2 -fpredictive-commoning
- From: "clyon at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 16 Oct 2014 09:55:57 +0000
- Subject: [Bug tree-optimization/62031] [4.8 Regression] Different results between O2 and O2 -fpredictive-commoning
- Auto-submitted: auto-generated
- References: <bug-62031-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62031
--- Comment #12 from clyon at gcc dot gnu.org ---
Sorry, I thought you had the setup needed to reproduce the tests.
I am using qemu.
All execution tests fail (not only -O0), for instance with GCC configured as:
--target=arm-none-eabi --with-mode=arm --with-cpu=cortex-a9
FAIL: gcc.dg/torture/pr62031.c -O0 execution test
FAIL: gcc.dg/torture/pr62031.c -O1 execution test
FAIL: gcc.dg/torture/pr62031.c -O2 execution test
FAIL: gcc.dg/torture/pr62031.c -O3 -fomit-frame-pointer execution test
FAIL: gcc.dg/torture/pr62031.c -O3 -fomit-frame-pointer -funroll-loops
execution test
FAIL: gcc.dg/torture/pr62031.c -O3 -fomit-frame-pointer -funroll-all-loops
-finline-functions execution test
FAIL: gcc.dg/torture/pr62031.c -O3 -g execution test
FAIL: gcc.dg/torture/pr62031.c -Os execution test
FAIL: gcc.dg/torture/pr62031.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none execution test
FAIL: gcc.dg/torture/pr62031.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects execution test