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How to neatly express that >> is an open question, because we may want this to remain orthogonal >> to the actual AVX10.x features. Maybe something like .noavx10.x/512 >> (with 'x' meaning literal 'x', i.e. not as kind of a "wildcard" >> covering multiple such directives), except I think the slash is >> going to be a problem (yet it would be nice to stick to doc naming). >> In any event this wouldn't be possible to express by another table >> entry, but would require handling "manually". > > I will give a try on that, should not be too complex. > > The biggest "manual" part might be mask instructions (e.g. kaddq) > since w/o vector registers, we do not know the size of the mask > registers from operand property. The only way to know them is > from the instruction name. Most k...q insns are VEX.W1 NP ones, aren't they? That should limit the amount of special casing based on mnemonic. Jan