Jim Keniston wrote: > Not really. For #3 (boosting), you need to know everything for #2, > plus be able to compute the length of each instruction -- which we can > now do for x86. To emulate an instruction (#4), you need to replicate > what it does, side-effects and all. The x86 instruction set seems to > be adding new floating-point instructions all the time, and I bet even > Masami doesn't know what they all do, but so far, they all seem to > adhere to the instruction-length rules encoded in Masami's instruction > decoder.
Actually, current x86 decoder doesn't support FP(x87) instructions.(even it already supported AVX) But I think it's not so hard to add it. Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhira...@redhat.com
