Mercurial > hg > truffle
view test/sanity/WBApi.java @ 6615:09aad8452938
7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
Summary: In C2 add software membar after load from Reference.referent field to prevent commoning of loads across safepoint since GC can change its value. In C1 always generate Reference.get() intrinsic.
Reviewed-by: roland, twisti, dholmes, johnc
author | kvn |
---|---|
date | Mon, 20 Aug 2012 09:58:58 -0700 |
parents | 2d503de963b3 |
children | 1b0dc9f87e75 |
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/* * @test WBApi * @summary verify that whitebox functions can be linked and executed * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI WBApi.java * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI WBApi */ import sun.hotspot.WhiteBox; public class WBApi { public static void main(String... args) { System.out.printf("args at: %x\n",WhiteBox.getWhiteBox().getObjectAddress(args)); } }