i486 removal from Th
mike at altlinux.org
Sun Feb 22 23:47:03 CET 2015
On Sat, Feb 21, 2015 at 11:45:16AM +0100, Jakub Bogusz wrote:
> To be fair it should be said explicitly, that for Th this also
> means drop of support for i586 class CPUs and some "degraded"
> i686 chips lacking cmov instructions support (there were such
> VIA chips in mid 200x years, probably rare to find now).
I've got an (untested) patch by a colleague that should emulate
CMOV on i586, could dust off the archives if there's anyone
interested out there. It might also have been included in
Optimizing for i586 (nee Pentium) is very wrong for pretty much
any other x86 processor due to significant pipeline differences
---- WBR, Michael Shigorin / http://altlinux.org
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