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From: "tromey at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: java-prs@gcc.gnu.org
Subject: [Bug libgcj/25934] fast instanceof checking
Date: Wed, 15 Mar 2006 20:26:00 -0000	[thread overview]
Message-ID: <20060315202634.28975.qmail@sourceware.org> (raw)
In-Reply-To: <bug-25934-360@http.gcc.gnu.org/bugzilla/>



------- Comment #2 from tromey at gcc dot gnu dot org  2006-03-15 20:26 -------
Now I think we don't need to do anything here.
We already handle the common cases.

For instance, if the target is an interface we will use
the IDT to do this test.  This is reasonably fast.

Also if both classes in question are concrete, we will
use the 'ancestors' array to do a constant-time check.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25934


  parent reply	other threads:[~2006-03-15 20:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-23 23:31 [Bug libgcj/25934] New: " tromey at gcc dot gnu dot org
2006-01-24  0:46 ` [Bug libgcj/25934] " pinskia at gcc dot gnu dot org
2006-03-15 20:26 ` tromey at gcc dot gnu dot org [this message]
2006-12-07 18:37 ` tromey at gcc dot gnu dot org

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