RFR: 8224816: Provide os::processor_id() implementation for Mac OS

[Erik Österlund]

Hi Kim,

On 2019-05-29 01:29, Kim Barrett wrote:
>> On May 28, 2019, at 4:34 AM, Erik Österlund <erik.osterlund at oracle.com> wrote:
>> New webrev:
>> http://cr.openjdk.java.net/~eosterlund/8224816/webrev.01/
>>
>> Incremental:
>> http://cr.openjdk.java.net/~eosterlund/8224816/webrev.00_01/
> src/hotspot/os/bsd/os_bsd.cpp
> 3279       asm ("cpuid\n\t" : "+a" (eax), "+b" (ebx), "+c" (ecx), "+d" (edx) : );
> 3315   asm ("cpuid\n\t" : "+a" (eax), "+b" (ebx), "+c" (ecx), "+d" (edx) : );
>
> asm is a GNU extension.  We (mostly) use __asm__ in HotSpot, and
> (mostly) avoid using GNU extensions.  (For example, I think we can
> still do a linux-x64 build with -std=c++98.)
>
> I don't need a new webrev for that change.

Sure, will fix. Thanks for the review.

/Erik