acinclude: Improve vpopcntdq build check.

Support for vpopcntdq instruction generation by the compiler was already
checked in the OVS_CHECK_AVX512 AC function by checking if the compiler
accepted the -mavx512vpopcntdq option.  However, there can be situations
where the compiler supports vpopcntdq generation but the assembler
doesn't support the instruction.

The below OVS_CHECK_AVX512VPOPCNTDQ AC function will check for both
compiler and assembler support for the vpopcntdq instruction.

Fixes: cb1c64007734 ("acinclude: Add seperate checks for AVX512 ISA.")
Reported-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Cian Ferriter <cian.ferriter@intel.com>
Acked-by: Sunil Pai G <sunil.pai.g@intel.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>

0 files changed, 0 insertions, 0 deletions