RFR(L): 8205044: [lworld] Interpreter and compiler support for acmp with value type operands (original) (raw)
Tobias Hartmann tobias.hartmann at oracle.com
Tue Jul 10 14:01:04 UTC 2018
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Hi,
please review the following patch: https://bugs.openjdk.java.net/browse/JDK-8205044 http://cr.openjdk.java.net/~thartmann/8205044/webrev.00/
I've ported this code from the Exp branch [1]. We therefore still use the klass pointer alignment trick to determine if an oop points to a value type. We can later enhance this to use the mark word.
Thanks, Tobias
[1] http://mail.openjdk.java.net/pipermail/valhalla-dev/2018-March/003935.html http://mail.openjdk.java.net/pipermail/valhalla-dev/2018-February/003824.html
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