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Re: ax_gcc_archflag - Support for Skylake and newer Intel platforms?
From: |
Peter Simons |
Subject: |
Re: ax_gcc_archflag - Support for Skylake and newer Intel platforms? |
Date: |
Fri, 20 Oct 2017 16:30:58 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
Hi Matthieu,
> Would it be possible to update the AX_GCC_ARCHFLAG() macro to
> correctly detect the Intel Skylake, Kaby Lake and Coffee Lake CPUs ?
> As it stands the macro defaults to '-march=core2', which misses the
> AVX2, FMA and other extensions.
the macro was submitted and maintained by Steven G. Johnson, whom I have
added to Cc. Maybe he is willing to do the necessary changes?
If in doubt, though, the most reliable way to get certain features added
into a macro is to do it yourself and to submit a patch. :-)
Best regards,
Peter