jdk-sandbox: hotspot/test/compiler/jsr292/ContinuousCallSiteTargetChange.java@5d984252fc26 (annotated)

36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	1	/*
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	2	* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	4	*
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	7	* published by the Free Software Foundation.
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	8	*
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	13	* accompanied this code).
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	14	*
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	18	*
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	21	* questions.
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	22	*/
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	23
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	24	/**
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	25	* @test
40631 ed82623d7831 8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder ctornqvi parents: 40059 diff changeset	26	* @library /test/lib /
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	27	*
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	28	* @run driver compiler.jsr292.ContinuousCallSiteTargetChange
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	29	*/
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	30
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	31	package compiler.jsr292;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	32
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	33	import jdk.test.lib.Asserts;
40631 ed82623d7831 8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder ctornqvi parents: 40059 diff changeset	34	import jdk.test.lib.process.OutputAnalyzer;
ed82623d7831 8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder ctornqvi parents: 40059 diff changeset	35	import jdk.test.lib.process.ProcessTools;
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	36
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	37	import java.lang.invoke.CallSite;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	38	import java.lang.invoke.MethodHandle;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	39	import java.lang.invoke.MethodHandles;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	40	import java.lang.invoke.MethodType;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 38152 diff changeset	41	import java.lang.invoke.MutableCallSite;
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	42	import java.util.ArrayList;
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	43	import java.util.Arrays;
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	44	import java.util.List;
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	45
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	46	public class ContinuousCallSiteTargetChange {
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	47	static final int ITERATIONS = Integer.parseInt(System.getProperty("iterations", "50"));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	48
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	49	static void runTest(Class<?> test, String... extraArgs) throws Exception {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	50	List<String> argsList = new ArrayList<>(
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	51	List.of("-XX:+IgnoreUnrecognizedVMOptions",
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	52	"-XX:PerBytecodeRecompilationCutoff=10", "-XX:PerMethodRecompilationCutoff=10",
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	53	"-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining"));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	54
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	55	argsList.addAll(Arrays.asList(extraArgs));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	56
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	57	argsList.add(test.getName());
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	58	argsList.add(Integer.toString(ITERATIONS));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	59
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	60	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	61	argsList.toArray(new String[argsList.size()]));
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	62
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	63	OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	64
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	65	analyzer.shouldHaveExitValue(0);
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	66
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	67	analyzer.shouldNotContain("made not compilable");
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	68	analyzer.shouldNotContain("decompile_count > PerMethodRecompilationCutoff");
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	69
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	70	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	71
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	72	static void testServer(Class<?> test, String... args) throws Exception {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	73	List<String> extraArgsList = new ArrayList<>(
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	74	List.of("-server", "-XX:-TieredCompilation"));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	75	extraArgsList.addAll(Arrays.asList(args));
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	76
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	77	runTest(test, extraArgsList.toArray(new String[extraArgsList.size()]));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	78	}
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	79
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	80	static void testClient(Class<?> test, String... args) throws Exception {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	81	List<String> extraArgsList = new ArrayList<>(
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	82	List.of("-client", "-XX:+TieredCompilation", "-XX:TieredStopAtLevel=1"));
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	83	extraArgsList.addAll(Arrays.asList(args));
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	84
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	85	runTest(test, extraArgsList.toArray(new String[extraArgsList.size()]));
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	86	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	87
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	88	public static void main(String[] args) throws Exception {
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	89	testServer(RecompilationTest.class, "-Xbatch");
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	90	testClient(RecompilationTest.class, "-Xbatch");
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	91
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	92	testServer(PingPongTest.class);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	93	testClient(PingPongTest.class);
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	94	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	95
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	96	static MethodHandle findStatic(Class<?> cls, String name, MethodType mt) {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	97	try {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	98	return MethodHandles.lookup().findStatic(cls, name, mt);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	99	} catch (Exception e) {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	100	throw new Error(e);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	101	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	102	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	103
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	104	static class RecompilationTest {
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	105	static final MethodType mt = MethodType.methodType(void.class);
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	106	static final CallSite cs = new MutableCallSite(mt);
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	107
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	108	static final MethodHandle mh = cs.dynamicInvoker();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	109
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	110	static void f() {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	111	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	112
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	113	static void test1() throws Throwable {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	114	mh.invokeExact();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	115	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	116
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	117	static void test2() throws Throwable {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	118	cs.getTarget().invokeExact();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	119	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	120
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	121	static void iteration() throws Throwable {
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	122	MethodHandle mh1 = findStatic(RecompilationTest.class, "f", mt);
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	123	cs.setTarget(mh1);
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	124	for (int i = 0; i < 20_000; i++) {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	125	test1();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	126	test2();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	127	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	128	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	129
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	130	public static void main(String[] args) throws Throwable {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	131	int iterations = Integer.parseInt(args[0]);
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	132	for (int i = 0; i < iterations; i++) {
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	133	iteration();
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	134	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	135	}
5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	136	}
43674 5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	137
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	138	static class PingPongTest {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	139	static final MethodType mt = MethodType.methodType(void.class);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	140	static final CallSite cs = new MutableCallSite(mt);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	141
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	142	static final MethodHandle mh = cs.dynamicInvoker();
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	143
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	144	static final MethodHandle ping = findStatic(PingPongTest.class, "ping", mt);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	145	static final MethodHandle pong = findStatic(PingPongTest.class, "pong", mt);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	146
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	147	static void ping() {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	148	Asserts.assertEQ(cs.getTarget(), ping, "wrong call site target");
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	149	cs.setTarget(pong);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	150	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	151
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	152	static void pong() {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	153	Asserts.assertEQ(cs.getTarget(), pong, "wrong call site target");
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	154	cs.setTarget(ping);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	155	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	156
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	157	static void iteration() throws Throwable {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	158	cs.setTarget(ping);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	159	for (int i = 0; i < 20_000; i++) {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	160	mh.invokeExact();
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	161	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	162	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	163
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	164	public static void main(String[] args) throws Throwable {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	165	int iterations = Integer.parseInt(args[0]);
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	166	for (int i = 0; i < iterations; i++) {
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	167	iteration();
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	168	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	169	}
5d984252fc26 8173404: C2: wrong nmethod dependency can be recorded for CallSite.target vlivanov parents: 40631 diff changeset	170	}
36300 5b47f168b948 7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode vlivanov parents: diff changeset	171	}

author	vlivanov
	Mon, 30 Jan 2017 16:04:22 +0300
changeset 43674	5d984252fc26
parent 40631	ed82623d7831
permissions	-rw-r--r--