Mercurial > hg > graal-compiler
view test/sanity/WBApi.java @ 6795:7eca5de9e0b6
7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Summary: use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose
author | roland |
---|---|
date | Thu, 20 Sep 2012 16:49:17 +0200 |
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)); } }