[quake3-bugzilla] [Bug 4977] x86 qvm improvements

bugzilla-daemon at icculus.org bugzilla-daemon at icculus.org
Fri May 6 07:57:15 EDT 2011


https://bugzilla.icculus.org/show_bug.cgi?id=4977

--- Comment #5 from Thilo Schulz <arny at ats.s.bawue.de> 2011-05-06 07:57:14 EDT ---
(In reply to comment #4)
> Looks like that but without data access checks, will try to rework patch and
> implement jump checks too (it may decrease qvm performance I think)

There are data access checks, see the RANGECHECK macro. Don't worry about QVM
performance. The point of QVMs is that you cannot execute arbitrary code.
Without these checks you can. Besides, even with these jump checks in place, it
will still be much faster than using the interpreter.

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