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Re: GCC Spec file for ARMv8/Aarch64?
- From: James Greenhalgh <james dot greenhalgh at arm dot com>
- To: Jeffrey Walton <noloader at gmail dot com>
- Cc: "gcc-help at gcc dot gnu dot org" <gcc-help at gcc dot gnu dot org>, <nd at arm dot com>
- Date: Thu, 26 May 2016 13:26:15 +0100
- Subject: Re: GCC Spec file for ARMv8/Aarch64?
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On Thu, May 19, 2016 at 05:33:32AM -0400, Jeffrey Walton wrote:
> I have a LeMaker HiKey dev board
> (http://www.lemaker.org/product-hikey-index.html). Its ARMv8/Aarch64
> with an 8-core A-53 processor.
>
> The problem I have is each time I SSH into the device I usually need
> to do the following to get the Crypto extensions that are available
> natively (GCC fails to consume `-march=native`):
Is this failing because you are using a version of GCC which doesn't
support it (it was a new feature in GCC 6 for AArch64), or because of a
bug in the -march=native support?
Thanks,
James