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From: simon.willcocks@octel.com (Simon Willcocks)
Subject: Re: What is wrong with OO ?
Date: 1997/01/10
Message-ID: <5b56u0$fsc@news.eng.octel.com>#1/1
X-Deja-AN: 208908758
references: <5acjtn$5uj@news3.digex.net> <JSA.97Jan1181506@alexandria>
 <E3I8GL.AuH@research.att.com> <32D11FD3.41C6@wi.leidenuniv.nl>
 <dewar.852772995@mer <dewar.852833957@merv>
organization: Octel C/SSD
newsgroups: 
 comp.lang.c++,comp.lang.smalltalk,comp.lang.eiffel,comp.lang.ada,comp.object,comp.software-eng
Date: 1997-01-10T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <dewar.852833957@merv>, dewar@merv.cs.nyu.edu (Robert Dewar) says:

>Simon said

>"[...]
>I think that even in [Ada] inlining could be done by a suitable linker,
>provided the compiler could mark parts of object code as suitable for inlining.
>The linker could insert the relevant code in place of the call statement,
>rather than just setting the location to be called."

>[...]

>Inlining is MUCH more than just sticking in the code at the point of call
>and cannot be done at all by a stupid linker. The whole point of inlining
>is that you optimize the code that is inserted, minimally by increasing
>scheduling opportunities, but in the presence of global optimization, knowing
>what the body of a procedure does and does not do can buy a great deal. The
>elimination of the call itself is small stuff compared to the other gains.

I agree it can't be done with a stupid linker, but I was just pointing out
that inlining can be done in Ada without affecting the programmer.

You just have to leave the jobs of optimisation and (machine) code generation
to a later stage.

Simon