From: Anton Farygin <rider@basealt.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>,
Yuri Sedunov <aris@altlinux.org>
Subject: Re: [devel] WebKitGTK-2.24.1 & SSE2
Date: Tue, 9 Apr 2019 13:36:49 +0300
Message-ID: <66b2ab8d-1a3a-44c2-303f-bfcf6483c80a@basealt.ru> (raw)
In-Reply-To: <30e1b218-c919-ef9b-1bef-6df7a13c8c2a@basealt.ru>
09.04.2019 13:35, Anton Farygin пишет:
> 09.04.2019 13:29, Yuri Sedunov пишет:
>> В Вт, 09/04/2019 в 13:25 +0300, Anton Farygin пишет:
>>> 09.04.2019 13:20, Yuri Sedunov пишет:
>>>> check_cxx_source_runs("
>>>> #include <emmintrin.h>
>>>> int main ()
>>>> {
>>>> __m128d a, b;
>>>> double vals[2] = {0};
>>>> a = _mm_loadu_pd (vals);
>>>> b = _mm_add_pd (a,a);
>>>> _mm_storeu_pd (vals,b);
>>>> return(0);
>>>> }"
>>>> HAVE_SSE2_EXTENSIONS)
>>> Ну и отлично, этот тест должен проходить на сборочнице.
>> По-твоему, этот тест должен и на i586 проходить?
>>
> Безотносительно того, что i586 пора закапывать - да, набор инструкций
> SSE2 появился до x86_64.
>
> [builder@localhost ~]$ gcc -msse3 sse.c
> [builder@localhost ~]$ ./a.out
> [builder@localhost ~]$ echo $?
> 0
$ uname -a
Linux localhost.localdomain 4.14.104-std-def-alt1 #1 SMP Thu Feb 28
23:13:01 UTC 2019 i686 GNU/Linu
Забыл про это ;)
next prev parent reply other threads:[~2019-04-09 10:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-09 9:58 Yuri Sedunov
2019-04-09 10:12 ` Anton Farygin
2019-04-09 10:20 ` Yuri Sedunov
2019-04-09 10:25 ` Anton Farygin
2019-04-09 10:29 ` Yuri Sedunov
2019-04-09 10:34 ` Alexey V. Vissarionov
2019-04-09 10:40 ` Anton Farygin
2019-04-09 10:45 ` Alexey V. Vissarionov
2019-04-09 10:35 ` Anton Farygin
2019-04-09 10:36 ` Anton Farygin [this message]
2019-04-09 10:41 ` Alexey V. Vissarionov
2019-04-09 10:44 ` Anton Farygin
2019-04-09 10:28 ` Michael Shigorin
2019-04-09 10:29 ` Anton Farygin
2019-04-09 10:39 ` Alexey V. Vissarionov
2019-04-09 10:45 ` Sergey Afonin
2019-04-09 10:47 ` Alexey V. Vissarionov
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