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Re: C++ and Java CNI: Check Java references

To: tromey at redhat dot com
Subject: Re: C++ and Java CNI: Check Java references
From: Mark Mitchell <mark at codesourcery dot com>
Date: Wed, 25 Apr 2001 10:15:04 -0700
Cc: aph at redhat dot com, rth at redhat dot com, per at bothner dot com, java at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Organization: CodeSourcery, LLC
References: <8766fuyllr.fsf@creche.redhat.com><15078.38776.715430.448577@cuddles.cambridge.redhat.com><87sniwnccp.fsf@creche.redhat.com>

>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:

    Tom> * Is there a performance impact for using references instead
    Tom> of pointers as arguments to methods?  It's hard to believe
    Tom> there would be one, but I don't know for certain.

No.  In fact, some things should theoretically go better: the compiler
knows that references are never NULL.

    Tom> I think this approach does handle the nonvirtual method call
    Tom> problem, because operator-> must still be used to compute
    Tom> `this'.

I didn't understand this problem, I guess.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

Follow-Ups:
- Re: C++ and Java CNI: Check Java references
  - From: Mike Harrold

References:
- Re: C++ and Java CNI: Check Java references
  - From: Tom Tromey
- Re: C++ and Java CNI: Check Java references
  - From: Andrew Haley
- Re: C++ and Java CNI: Check Java references
  - From: Tom Tromey

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