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Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)

From: Tom Tromey <tromey at redhat dot com>
To: "Tuomas Leikola" <tuomas dot leikola at digia dot com>
Cc: "Bryce McKinlay" <bryce at waitaki dot otago dot ac dot nz>, <java at gcc dot gnu dot org>
Date: 29 Jan 2002 12:32:19 -0700
Subject: Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)
References: <04e201c1a580$6e6feb70$3a090a0a@tobo> <3C51C8BC.303@waitaki.otago.ac.nz> <87ofjdiuo7.fsf@creche.redhat.com> <074301c1a8bf$216101b0$3a090a0a@tobo>
Reply-to: tromey at redhat dot com

>>>>> "Tuomas" == Tuomas Leikola <tuomas.leikola@digia.com> writes:

Tuomas> unless devirtualization can assume the class is already
Tuomas> initialized, and it most of all enables the inliner to do it's
Tuomas> stuff.

For any virtual call we already know the class is initialized -- the
class has to have been initialized for an instance of it to exist.
Devirtualizing such a call won't affect this.

Tom

References:
- Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)
  - From: Tuomas Leikola
- Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)
  - From: Bryce McKinlay
- Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)
  - From: Tom Tromey
- Re: about non-compatible optimization (was: Re: patch to bring java vtables closer to g++ abi conformance)
  - From: Tuomas Leikola

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