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test/hotspot/jtreg/compiler/runtime/TestFloatsOnStackDeopt.java
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@@ -37,10 +37,11 @@
private static final int ARRLEN = 97;
private static final int ITERS1 = 100;
private static final int ITERS2 = 40000;
private static final float VALUE = 15.f;
public static String dummyString = "long long string";
+ static volatile boolean pleaseStop = false;
static void run_loop_with_safepoint(float[] a0, float b) {
// Non-counted loop with safepoint.
for (long l = 0; l < ITERS2; l++) {
// Counted and vectorized loop.
@@ -52,13 +53,13 @@
static int test() {
// thread provokes frequent GC - together with +DeoptimizeALot and safepoint it forces executed function deoptimization
Thread th = new Thread() {
public void run() {
- while(true) {
+ while (!pleaseStop) {
synchronized(this) { try { wait(1); } catch (Exception ex) {} }
- dummyString += dummyString;
+ dummyString = new StringBuilder(dummyString).append(dummyString).toString();
if (dummyString.length() > 1024*1024) { dummyString = "long long string"; }
}
}
};
th.start();
@@ -75,11 +76,16 @@
x0[i] = 0.f; // Reset
}
if (errn > 0) break;
}
- th.stop();
+ pleaseStop = true;
+ try {
+ th.join();
+ } catch (InterruptedException e) {
+ throw new Error("InterruptedException in main thread ", e);
+ }
return errn;
}
public static void main(String args[]) {
int errn = test();
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