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[Bug middle-end/70773] Profiled sudoku solver slower due to lack of sdiv/udiv
- From: "tulipawn at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 21 Apr 2017 13:59:27 +0000
- Subject: [Bug middle-end/70773] Profiled sudoku solver slower due to lack of sdiv/udiv
- Auto-submitted: auto-generated
- References: <bug-70773-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70773
--- Comment #16 from PeteVine <tulipawn at gmail dot com> ---
Also, I'd like to repeat the fact using -mcpu=cortex-a7 fixes the issue (no
library calls present).
Incidentally, having run that A7 profiled binary on a Cortex-A53, I'm seeing a
10% hit compared to a vanilla A7 binary. Hopefully that's just an artifact of
profiling a different CPU architecture.