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From: Phil Blundell <pb@pbcl.net>
To: Martin Jansa <martin.jansa@gmail.com>, 
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Subject: Re: [PATCHv2 11/16] arch-armv7ve: add tune include for armv7ve and use it from cortexa7 and cortexa15
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On Tue, 2015-11-17 at 11:58 +0100, Martin Jansa wrote:
> * be aware that this -march value is available only in gcc-4.9 and
>   newer:
>   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57907
> 

Can you clarify why this is an improvement?  The previous patch already
changed cortex-a15.inc to use -mcpu=cortexa15, which effectively
implies -march=armv7ve already (and works on all gcc versions) so I'm
not entirely sure what this second patch really buys you.

p.