Reference to a document in the sources
gilles.m.duboscq at oracle.com
Wed Jun 13 12:32:04 UTC 2018
I don't know for sure what that file contains but it's probably very similar to the content of this paper: Fast subtype checking in the HotSpot JVM .
On 13/06/18 14:20, Ivan Krylov wrote:
> Hi all,
> In the sources for klass.hpp  there is a reference to some discussion
> // The fields _super_check_offset, _secondary_super_cache, _secondary_supers
> // and _primary_supers all help make fast subtype checks. See big discussion
> // in doc/server_compiler/checktype.txt
> This reference is present in JDK 11 latest sources however this comment dates back to as far as I can trace (1.7).
> I assume this link is to some internal wiki page. Is it possible to make it publicly visible somehow? It is understood that the content is likely to be outdated.
>  - http://hg.openjdk.java.net/jdk/jdk/file/7bf4f1b5e438/src/hotspot/share/oops/klass.hpp#l105
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