The tables in the manual break things down by nibbles, but when I was laying things out, 5 and 3 seemed like a more natural divide. That was 8 years ago, so I can't name any specific examples.
Gabe On Fri, Apr 24, 2015 at 10:45 PM, Nilay Vaish <[email protected]> wrote: > Hi > > I am looking at the bit union for x86 opcodes. Is there a reason why we > have one part consisting of top 5 bits and the other consisting of bottom 3 > bits? Looking at the opcode tables from AMD, it seems breaking the opcode > into top 4 and bottom 4 would be better. > > -- > Nilay > _______________________________________________ > gem5-dev mailing list > [email protected] > http://m5sim.org/mailman/listinfo/gem5-dev > _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
