Re: gcc -ansi versus SSE4.2 detection

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: gcc -ansi versus SSE4.2 detection
Date: 2015-06-05 19:16:48
Message-ID: 5571F5A0.1060609@iki.fi
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On 06/05/2015 10:07 PM, Tom Lane wrote:
> It looks like the actual reason that we aren't using the runtime-check
> CRC implementation is that we can't find a way to do "cpuid" on this
> old version of OS X. Not sure if it's worth the time to look for one;
> modern versions of OS X do have __get_cpuid().

Doesn't seem worth it to me.

- Heikki

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