[PATCH x86_64][BZ #20139] Don't allow configure with not supporting AVX512 assembler w/o --disable-avx512.

[Andrew Senkevich]

2016-06-27 21:03 GMT+03:00 Florian Weimer <fweimer@redhat.com>:
> On 06/27/2016 07:40 PM, Andrew Senkevich wrote:
>>
>> To fix BZ #20139 we need don't let to configure with not supporting
>> AVX512 assembler w/o --disable-avx512.
>
>
> There is an existing configure check for HAVE_AVX512_ASM_SUPPORT.  Why isn't
> it sufficient?

Where are bug https://sourceware.org/bugzilla/show_bug.cgi?id=20139
It is the case when HAVE_AVX512_ASM_SUPPORT is undefined and Glibc is
built for AVX512 hardware.


--
WBR,
Andrew