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[Bug target/53659] ARM: Using -mcpu=cortex-a9 option results in bad performance for Cortex-A9 processor in C-Ray phoronix benchmark
- From: "rearnsha at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 10 Jul 2012 08:48:24 +0000
- Subject: [Bug target/53659] ARM: Using -mcpu=cortex-a9 option results in bad performance for Cortex-A9 processor in C-Ray phoronix benchmark
- Auto-submitted: auto-generated
- References: <bug-53659-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53659
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |arm
--- Comment #1 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2012-07-10 08:48:24 UTC ---
What platform are you running on (GCC configuration)?
Please can you do some profiling and try to identify where the slowdown is
coming from. We need more information if we are to progress this.