From: Cyrill G. <gor...@gm...> - 2013-08-28 10:08:20
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On Tue, Aug 27, 2013 at 10:17:17PM -0700, anonymous coward wrote: > > You already need more than 64 bits to properly map > all existing instructions to their CPUID features (and > in some case you will need to make up a flag, since > CPUID lacks a few of them, e.g. hinting NOPs, hints > for branches, PAUSE, etc.). > > So instead of just widening from 32 to 64 bits, you'll > need a real bit vector, with more than 64 bits. > > Also, this would be a change that you would want to > make on the main tree, not the AVX-512 branch. I knew this day would come once :( Will check on weekend (I hope time will permits) if there not that massive changes needed for generic bitmaps support, sigh... Cyrill |