Checking CPU capabilities

[Mayuresh Kathe]

On 2019-02-02 09:46 PM, Chris Hill wrote:
> On Sat, 2 Feb 2019, Mayuresh Kathe wrote:
> 
>> Under Linux it is `cat /proc/cpuinfo`
>> Under Solaris it is `isainfo -v`
>> What is it under FreeBSD 12?
> 
> Something like
>   $ grep Features /var/run/dmesg.boot
> ...or am I missing something?

I need to know if my processor supports AVX, AVX2, AVX-512, SIMD, etc.
Would your approach give me that sort of information?