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Re: [DotGNU]callvirt change to cscc

From: Gopal V
Subject: Re: [DotGNU]callvirt change to cscc
Date: Fri, 15 Nov 2002 16:51:12 +0530
User-agent: Mutt/1.2.5i

If memory serves me right, Rhys Weatherley wrote:
> inserts a normal CVM "call" opcode, rather than CVM's "call_virtual".
> The only runtime change is to do a "cknull" before the "call".

I noticed ....

> It doesn't have to do a virtual method lookup for every call - it
> can call the destination method directly.

That's what is also done for every object for every function virtual or
non-virtual .... Which is why JITs are faster .. (I said object and not
variable here !!) ..

> I agree with you.  Unfortunately, compatibility trumps efficiency
> in this case.  Under MS'es compiler/runtime, the following throws

Well that solves the String.Equals() not throwing NullRef  ....

The difference between insanity and genius is measured by success

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