Re: proposal for stateen CSRs
Jonathan Behrens <behrensj@...>
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Why does all custom state need to be controlled with a single bit? Couldn't we just designate the upper 8 or 16 bits of each xstateenY register to be custom? Any software that wanted to disable all custom state would just clear all those bits, while software that wanted to enable all custom state would just write ones. (WARL would cause any unused bits to stay zero even after they were written with a value of one).
Allen Baum wrote: