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Date: Mon, 16 Dec 2013 10:38:38 -0500
From: Michael Orlitzky <mjo@gentoo.org>
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Subject: Re: [gentoo-dev] Re: New global use flags: 3dnowext, mmxext, ssse3,
 sse4_1, avx, avx2
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On 12/16/2013 05:44 AM, Duncan wrote:
> Matt Turner posted on Sun, 15 Dec 2013 15:34:13 -0800 as excerpted:
> 
>> sse3: Use the SSE3 instruction set (pni in cpuinfo)
>> ssse3: Use the SSSE3 instruction set
> 
> I'd suggest a parenthetical on ssse3 as well, something like:
> 
> ssse3: Use the SSSE3 instruction set (NOT sse3, three s)
> 
> I know that confused me for awhile, and I tend to be reasonably literate 
> (as a user, anyway) on this sort of thing,

Why not go all the way?

"Enable use of the SSSE3 instruction set (NOT sse3). This is needed by
projects which contain assembly code or which use certain compiler
intrinsics. It is not a replacement for CFLAGS and friends."

You can make a case for brevity, but how many times do you find yourself
(a) reading USE flag descriptions, and (b) thinking they're too long?