Re: [PATCHv2] ARMv8 32-bit compiler tunings

[Dragomir Daniel <daniel.dragomir@windriver.com>]

On 02/27/2016 02:44 PM, Daniel Dragomir wrote:
> Hello!
>
> This is a second version for the patch:
> http://lists.openembedded.org/pipermail/openembedded-core/2016-February/117603.html
>
> I remove the python method from feature-arm-vfp and I added the TUNE_CCARGS appends for CRC, CRYPTO and fp-armv8 only in armv8a tune file.
> I fix some parsing failures for armv7a*-neon-vfpv4 tunes.
> Also, I reworked the tunes to eliminate multiple parsing failures that I got running Martin's script.
>
> @Martin, I ran again the script and the results are better. I pushed the results in a personal repo:
> Tune results without the patch - clean open-embedded:
> https://github.com/ddragomi/tune_test/tree/14861fd72be9aebaaa209d9990d72745c90b43eb/tune

Sorry, the correct link is:
https://github.com/ddragomi/tune_test/tree/c71174fad88c88257cc7d567327181cb57eb2185/tune

>
> Tune results with this patch (VERSION 2):
> https://github.com/ddragomi/tune_test/tree/master/tune
>
> And a diff between those here (I fix some parsing failures for armv7a*-neon-vfpv4 tunes):
> https://github.com/ddragomi/tune_test/commit/06fbd558bf7e5d91d312628a023b8c0495e8f37a

Sorry, the correct link is:
https://github.com/ddragomi/tune_test/commit/8575dbd9ea39e69908a6adaffa494f7a7198b243

>
> NOTE: I also added a new fake-machine (axxiaarm) that require arch-arm8a.inc
> to test/parse armv8a tunes:
> DEFAULTTUNE ?= "armv8a-neon"
> require conf/machine/include/arm/arch-armv8a.inc
>
> Previous message:
> Starting with linux-yocto-4.1, Intel provides kernel support for its
> ARM v8 Axxia platforms, both on 32-bit and 64-bit.
> Poky already contains arm 64-bit compiler tunings, so I added 32-bit
> tunings based on those for armv7.
>
> The patch that I send you is a draft. Please review it and if it's ok
> I will return with thumb and big-endian tunings.
>
> Best regards,
> Daniel Dragomir (1):
>    Add tune for 32-bit ARMv8-a
>
>   meta/conf/machine/include/arm/arch-armv7a.inc |  4 +-
>   meta/conf/machine/include/arm/arch-armv8a.inc | 75 +++++++++++++++++++++++++++
>   2 files changed, 77 insertions(+), 2 deletions(-)
>   create mode 100644 meta/conf/machine/include/arm/arch-armv8a.inc
>