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Re: [qemu-s390x] [PATCH v2 00/41] s390x/tcg: Vector Instruction Support

From: David Hildenbrand
Subject: Re: [qemu-s390x] [PATCH v2 00/41] s390x/tcg: Vector Instruction Support Part 2
Date: Wed, 17 Apr 2019 13:06:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 17.04.19 09:54, Cornelia Huck wrote:
> On Tue, 16 Apr 2019 20:52:20 +0200
> David Hildenbrand <address@hidden> wrote:
>> This is the second part of vector instruction support for s390x. It is
>> based on the series soon to land upstream:
>>     [PATCH 0/9] tcg: Add tcg_gen_extract2_{i32,i64}
>> Part 1: Vector Support Instructions
>> Part 2: Vector Integer Instructions
>> Part 3: Vector String Instructions
>> Part 4: Vector Floating-Point Instructions
>> The current state can be found at (kept updated):
>>     https://github.com/davidhildenbrand/qemu/tree/vx
>> With the current state I can boot Linux kernel + user space compiled with
>> SIMD support. This allows to boot distributions compiled exclusively for
>> z13, requiring SIMD support. Also, it is now possible to build a complete
>> kernel using rpmbuild as quite some issues have been sorted out.
>> In this part, all Vector Integer Instructions introduced with the
>> "Vector Facility" are added. Some instructions part of the Vector Extension
>> Facilities are also added.
>> v1 -> v2:
>> - Many suggestions and fixes as outlined by Richard H.
>> -- Mostly avoid oom helpers for 128-bit add/sub variants
>> -- New vector helpers are not considered for now
> FWIW, I'd prefer a pull request for that over picking 41 patches :)
> (I'm unlikely to be able to provide more insightful review anyway ;)

Will do once the required patches are upstream and you rebased your
branch. Thanks!



David / dhildenb

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