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Compilation flags in libgfortran
- From: Igor Zamyatin <izamyatin at gmail dot com>
- To: gcc at gcc dot gnu dot org
- Cc: Yuri Rumyantsev <ysrumyan at gmail dot com>
- Date: Tue, 15 Oct 2013 17:58:50 +0400
- Subject: Compilation flags in libgfortran
- Authentication-results: sourceware.org; auth=none
Hi All!
Is there any particular reason that matmul* modules from libgfortran
are compiled with -O2 -ftree-vectorize?
I see some regressions on Atom processor after r202980
(http://gcc.gnu.org/ml/gcc-cvs/2013-09/msg00846.html)
Why not just use O3 for those modules?
Thanks,
Igor