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From: Anton Farygin <rider@basealt.ru>
Organization: BaseALT
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Date: Tue, 9 Apr 2019 13:35:56 +0300
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Subject: Re: [devel] WebKitGTK-2.24.1 & SSE2
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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