RFR(L): 8205044: [lworld] Interpreter and compiler support for acmp with value type operands (original) (raw)
Tobias Hartmann tobias.hartmann at oracle.com
Thu Jul 12 07:10:51 UTC 2018
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Hi Ioi,
thanks for the review!
Best regards, Tobias
On 12.07.2018 01:30, Ioi Lam wrote:
Hi Tobias,
I looked at the interpreter part of the change. I think it correctly implements the perturbation technique as described in [1]. Thanks - Ioi [1] http://mail.openjdk.java.net/pipermail/valhalla-dev/2018-January/003722.html
On 7/10/18 7:01 AM, Tobias Hartmann wrote: 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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