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test/hotspot/jtreg/compiler/runtime/TestFloatsOnStackDeopt.java

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*** 37,46 **** --- 37,47 ---- 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.
*** 52,64 **** 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) { synchronized(this) { try { wait(1); } catch (Exception ex) {} } ! dummyString += dummyString; if (dummyString.length() > 1024*1024) { dummyString = "long long string"; } } } }; th.start(); --- 53,65 ---- 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 (!pleaseStop) { synchronized(this) { try { wait(1); } catch (Exception ex) {} } ! dummyString = new StringBuilder(dummyString).append(dummyString).toString(); if (dummyString.length() > 1024*1024) { dummyString = "long long string"; } } } }; th.start();
*** 75,85 **** x0[i] = 0.f; // Reset } if (errn > 0) break; } ! th.stop(); return errn; } public static void main(String args[]) { int errn = test(); --- 76,91 ---- x0[i] = 0.f; // Reset } if (errn > 0) break; } ! 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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