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8015660: Test8009761.java "Failed: init recursive calls: 24. After deopt 25" Summary: Windows reserves and only partially commits thread stack. For detecting more thread stack space for execution, Windows installs one-shot page as guard page just before the current commited edge. It will trigger STACK_OVERFLOW_EXCEPTION when lands on last 4 pages of thread stack space. StackYellowPages default value is 2 on Windows (plus 1 page of StackRedPages, 3 pages guarded by hotspot) so the exception happens one page before Yellow pages. Same route executed second time will have one more page brought in, this leads same execution with different stack depth(interpreter mode). We need match Windows settings so the stack overflow exception will not happen before Yellow pages. Reviewed-by: dholmes Contributed-by: andreas.schoesser@sap.com
author minqi
date Tue, 18 Jun 2013 09:08:35 -0700
parents 6f3fd5150b67
children
line wrap: on
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/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 6934604
 * @summary enable parts of EliminateAutoBox by default
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox TestLongBoxing
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox
 * -XX:CompileCommand=exclude,TestLongBoxing.dummy -XX:CompileCommand=exclude,TestLongBoxing.foo -XX:CompileCommand=exclude,TestLongBoxing.foob TestLongBoxing
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-EliminateAutoBox
 * -XX:CompileCommand=exclude,TestLongBoxing.dummy -XX:CompileCommand=exclude,TestLongBoxing.foo -XX:CompileCommand=exclude,TestLongBoxing.foob TestLongBoxing
 *
 */

public class TestLongBoxing {

  static final Long ibc = new Long(1);

  //===============================================
  // Non-inlined methods to test deoptimization info
  static void dummy()     { }
  static long  foo(long i)  { return i; }
  static Long  foob(long i) { return Long.valueOf(i); }


  static long simple(long i) {
    Long ib = new Long(i);
    return ib;
  }

  static long simpleb(long i) {
    Long ib = Long.valueOf(i);
    return ib;
  }

  static long simplec() {
    Long ib = ibc;
    return ib;
  }

  static long simplef(long i) {
    Long ib = foob(i);
    return ib;
  }

  static long simplep(Long ib) {
    return ib;
  }

  static long simple2(long i) {
    Long ib1 = new Long(i);
    Long ib2 = new Long(i+1);
    return ib1 + ib2;
  }

  static long simpleb2(long i) {
    Long ib1 = Long.valueOf(i);
    Long ib2 = Long.valueOf(i+1);
    return ib1 + ib2;
  }

  static long simplem2(long i) {
    Long ib1 = new Long(i);
    Long ib2 = Long.valueOf(i+1);
    return ib1 + ib2;
  }

  static long simplep2(long i, Long ib1) {
    Long ib2 = Long.valueOf(i+1);
    return ib1 + ib2;
  }

  static long simplec2(long i) {
    Long ib1 = ibc;
    Long ib2 = Long.valueOf(i+1);
    return ib1 + ib2;
  }

  //===============================================
  static long test(long i) {
    Long ib = new Long(i);
    if ((i&1) == 0)
      ib = i+1;
    return ib;
  }

  static long testb(long i) {
    Long ib = i;
    if ((i&1) == 0)
      ib = (i+1);
    return ib;
  }

  static long testm(long i) {
    Long ib = i;
    if ((i&1) == 0)
      ib = new Long(i+1);
    return ib;
  }

  static long testp(long i, Long ib) {
    if ((i&1) == 0)
      ib = new Long(i+1);
    return ib;
  }

  static long testc(long i) {
    Long ib = ibc;
    if ((i&1) == 0)
      ib = new Long(i+1);
    return ib;
  }

  static long test2(long i) {
    Long ib1 = new Long(i);
    Long ib2 = new Long(i+1);
    if ((i&1) == 0) {
      ib1 = new Long(i+1);
      ib2 = new Long(i+2);
    }
    return ib1+ib2;
  }

  static long testb2(long i) {
    Long ib1 = i;
    Long ib2 = i+1;
    if ((i&1) == 0) {
      ib1 = (i+1);
      ib2 = (i+2);
    }
    return ib1+ib2;
  }

  static long testm2(long i) {
    Long ib1 = new Long(i);
    Long ib2 = i+1;
    if ((i&1) == 0) {
      ib1 = new Long(i+1);
      ib2 = (i+2);
    }
    return ib1+ib2;
  }

  static long testp2(long i, Long ib1) {
    Long ib2 = i+1;
    if ((i&1) == 0) {
      ib1 = new Long(i+1);
      ib2 = (i+2);
    }
    return ib1+ib2;
  }

  static long testc2(long i) {
    Long ib1 = ibc;
    Long ib2 = i+1;
    if ((i&1) == 0) {
      ib1 = (ibc+1);
      ib2 = (i+2);
    }
    return ib1+ib2;
  }

  //===============================================
  static long sum(long[] a) {
    long result = 1;
    for (Long i : a)
        result += i;
    return result;
  }

  static long sumb(long[] a) {
    Long result = 1l;
    for (Long i : a)
        result += i;
    return result;
  }

  static long sumc(long[] a) {
    Long result = ibc;
    for (Long i : a)
        result += i;
    return result;
  }

  static long sumf(long[] a) {
    Long result = foob(1);
    for (Long i : a)
        result += i;
    return result;
  }

  static long sump(long[] a, Long result) {
    for (Long i : a)
        result += i;
    return result;
  }

  static long sum2(long[] a) {
    long result1 = 1;
    long result2 = 1;
    for (Long i : a) {
        result1 += i;
        result2 += i + 1;
    }
    return result1 + result2;
  }

  static long sumb2(long[] a) {
    Long result1 = 1l;
    Long result2 = 1l;
    for (Long i : a) {
        result1 += i;
        result2 += i + 1;
    }
    return result1 + result2;
  }

  static long summ2(long[] a) {
    Long result1 = 1l;
    Long result2 = new Long(1);
    for (Long i : a) {
        result1 += i;
        result2 += new Long(i + 1);
    }
    return result1 + result2;
  }

  static long sump2(long[] a, Long result2) {
    Long result1 = 1l;
    for (Long i : a) {
        result1 += i;
        result2 += i + 1;
    }
    return result1 + result2;
  }

  static long sumc2(long[] a) {
    Long result1 = 1l;
    Long result2 = ibc;
    for (Long i : a) {
        result1 += i;
        result2 += i + ibc;
    }
    return result1 + result2;
  }

  //===============================================
  static long remi_sum() {
    Long j = new Long(1);
    for (int i = 0; i< 1000; i++) {
      j = new Long(j + 1);
    }
    return j;
  }

  static long remi_sumb() {
    Long j = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      j = j + 1;
    }
    return j;
  }

  static long remi_sumf() {
    Long j = foob(1);
    for (int i = 0; i< 1000; i++) {
      j = j + 1;
    }
    return j;
  }

  static long remi_sump(Long j) {
    for (int i = 0; i< 1000; i++) {
      j = new Long(j + 1);
    }
    return j;
  }

  static long remi_sumc() {
    Long j = ibc;
    for (int i = 0; i< 1000; i++) {
      j = j + ibc;
    }
    return j;
  }

  static long remi_sum2() {
    Long j1 = new Long(1);
    Long j2 = new Long(1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Long(j1 + 1);
      j2 = new Long(j2 + 2);
    }
    return j1 + j2;
  }

  static long remi_sumb2() {
    Long j1 = Long.valueOf(1);
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      j1 = j1 + 1;
      j2 = j2 + 2;
    }
    return j1 + j2;
  }

  static long remi_summ2() {
    Long j1 = new Long(1);
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Long(j1 + 1);
      j2 = j2 + 2;
    }
    return j1 + j2;
  }

  static long remi_sump2(Long j1) {
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Long(j1 + 1);
      j2 = j2 + 2;
    }
    return j1 + j2;
  }

  static long remi_sumc2() {
    Long j1 = ibc;
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      j1 = j1 + ibc;
      j2 = j2 + 2;
    }
    return j1 + j2;
  }


  //===============================================
  // Safepointa and debug info for deoptimization
  static long simple_deop(long i) {
    Long ib = new Long(foo(i));
    dummy();
    return ib;
  }

  static long simpleb_deop(long i) {
    Long ib = Long.valueOf(foo(i));
    dummy();
    return ib;
  }

  static long simplef_deop(long i) {
    Long ib = foob(i);
    dummy();
    return ib;
  }

  static long simplep_deop(Long ib) {
    dummy();
    return ib;
  }

  static long simplec_deop(long i) {
    Long ib = ibc;
    dummy();
    return ib;
  }

  static long test_deop(long i) {
    Long ib = new Long(foo(i));
    if ((i&1) == 0)
      ib = foo(i+1);
    dummy();
    return ib;
  }

  static long testb_deop(long i) {
    Long ib = foo(i);
    if ((i&1) == 0)
      ib = foo(i+1);
    dummy();
    return ib;
  }

  static long testf_deop(long i) {
    Long ib = foob(i);
    if ((i&1) == 0)
      ib = foo(i+1);
    dummy();
    return ib;
  }

  static long testp_deop(long i, Long ib) {
    if ((i&1) == 0)
      ib = foo(i+1);
    dummy();
    return ib;
  }

  static long testc_deop(long i) {
    Long ib = ibc;
    if ((i&1) == 0)
      ib = foo(i+1);
    dummy();
    return ib;
  }

  static long sum_deop(long[] a) {
    long result = 1;
    for (Long i : a)
        result += foo(i);
    dummy();
    return result;
  }

  static long sumb_deop(long[] a) {
    Long result = 1l;
    for (Long i : a)
        result += foo(i);
    dummy();
    return result;
  }

  static long sumf_deop(long[] a) {
    Long result = 1l;
    for (Long i : a)
        result += foob(i);
    dummy();
    return result;
  }

  static long sump_deop(long[] a, Long result) {
    for (Long i : a)
        result += foob(i);
    dummy();
    return result;
  }

  static long sumc_deop(long[] a) {
    Long result = ibc;
    for (Long i : a)
        result += foo(i);
    dummy();
    return result;
  }

  static long remi_sum_deop() {
    Long j = new Long(foo(1));
    for (int i = 0; i< 1000; i++) {
      j = new Long(foo(j + 1));
    }
    dummy();
    return j;
  }

  static long remi_sumb_deop() {
    Long j = Long.valueOf(foo(1));
    for (int i = 0; i< 1000; i++) {
      j = foo(j + 1);
    }
    dummy();
    return j;
  }

  static long remi_sumf_deop() {
    Long j = foob(1);
    for (int i = 0; i< 1000; i++) {
      j = foo(j + 1);
    }
    dummy();
    return j;
  }

  static long remi_sump_deop(Long j) {
    for (int i = 0; i< 1000; i++) {
      j = foo(j + 1);
    }
    dummy();
    return j;
  }

  static long remi_sumc_deop() {
    Long j = ibc;
    for (int i = 0; i< 1000; i++) {
      j = foo(j + 1);
    }
    dummy();
    return j;
  }

  //===============================================
  // Conditional increment
  static long remi_sum_cond() {
    Long j = new Long(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = new Long(j + 1);
      }
    }
    return j;
  }

  static long remi_sumb_cond() {
    Long j = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = j + 1;
      }
    }
    return j;
  }

  static long remi_sumf_cond() {
    Long j = foob(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = j + 1;
      }
    }
    return j;
  }

  static long remi_sump_cond(Long j) {
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = j + 1;
      }
    }
    return j;
  }

  static long remi_sumc_cond() {
    Long j = ibc;
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = j + ibc;
      }
    }
    return j;
  }

  static long remi_sum2_cond() {
    Long j1 = new Long(1);
    Long j2 = new Long(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Long(j1 + 1);
      } else {
        j2 = new Long(j2 + 2);
      }
    }
    return j1 + j2;
  }

  static long remi_sumb2_cond() {
    Long j1 = Long.valueOf(1);
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = j1 + 1;
      } else {
        j2 = j2 + 2;
      }
    }
    return j1 + j2;
  }

  static long remi_summ2_cond() {
    Long j1 = new Long(1);
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Long(j1 + 1);
      } else {
        j2 = j2 + 2;
      }
    }
    return j1 + j2;
  }

  static long remi_sump2_cond(Long j1) {
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Long(j1 + 1);
      } else {
        j2 = j2 + 2;
      }
    }
    return j1 + j2;
  }

  static long remi_sumc2_cond() {
    Long j1 = ibc;
    Long j2 = Long.valueOf(1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = j1 + ibc;
      } else {
        j2 = j2 + 2;
      }
    }
    return j1 + j2;
  }


  public static void main(String[] args) {
    final int ntests = 70;

    String[] test_name = new String[] {
        "simple",      "simpleb",      "simplec",      "simplef",      "simplep",
        "simple2",     "simpleb2",     "simplec2",     "simplem2",     "simplep2",
        "simple_deop", "simpleb_deop", "simplec_deop", "simplef_deop", "simplep_deop",
        "test",        "testb",        "testc",        "testm",        "testp",
        "test2",       "testb2",       "testc2",       "testm2",       "testp2",
        "test_deop",   "testb_deop",   "testc_deop",   "testf_deop",   "testp_deop",
        "sum",         "sumb",         "sumc",         "sumf",         "sump",
        "sum2",        "sumb2",        "sumc2",        "summ2",        "sump2",
        "sum_deop",    "sumb_deop",    "sumc_deop",    "sumf_deop",    "sump_deop",
        "remi_sum",       "remi_sumb",       "remi_sumc",       "remi_sumf",       "remi_sump",
        "remi_sum2",      "remi_sumb2",      "remi_sumc2",      "remi_summ2",      "remi_sump2",
        "remi_sum_deop",  "remi_sumb_deop",  "remi_sumc_deop",  "remi_sumf_deop",  "remi_sump_deop",
        "remi_sum_cond",  "remi_sumb_cond",  "remi_sumc_cond",  "remi_sumf_cond",  "remi_sump_cond",
        "remi_sum2_cond", "remi_sumb2_cond", "remi_sumc2_cond", "remi_summ2_cond", "remi_sump2_cond"
    };

    final long[] val = new long[] {
       71994000,  71994000,    12000,  71994000,  71994000,
      144000000, 144000000, 72018000, 144000000, 144000000,
       71994000,  71994000,    12000,  71994000,  71994000,
       72000000,  72000000, 36006000,  72000000,  72000000,
      144012000, 144012000, 72030000, 144012000, 144012000,
       72000000,  72000000, 36006000,  72000000,  72000000,
         499501,    499501,   499501,    499501,    499501,
        1000002,   1000002,  1000002,   1000002,   1000002,
         499501,    499501,   499501,    499501,    499501,
           1001,      1001,     1001,      1001,      1001,
           3002,      3002,     3002,      3002,      3002,
           1001,      1001,     1001,      1001,      1001,
            501,       501,      501,       501,       501,
           1502,      1502,     1502,      1502,      1502
    };

    long[] res = new long[ntests];
    for (int i = 0; i < ntests; i++) {
      res[i] = 0;
    }


    for (long i = 0; i < 12000; i++) {
      res[0] += simple(i);
      res[1] += simpleb(i);
      res[2] += simplec();
      res[3] += simplef(i);
      res[4] += simplep(i);

      res[5] += simple2(i);
      res[6] += simpleb2(i);
      res[7] += simplec2(i);
      res[8] += simplem2(i);
      res[9] += simplep2(i, i);

      res[10] += simple_deop(i);
      res[11] += simpleb_deop(i);
      res[12] += simplec_deop(i);
      res[13] += simplef_deop(i);
      res[14] += simplep_deop(i);

      res[15] += test(i);
      res[16] += testb(i);
      res[17] += testc(i);
      res[18] += testm(i);
      res[19] += testp(i, i);

      res[20] += test2(i);
      res[21] += testb2(i);
      res[22] += testc2(i);
      res[23] += testm2(i);
      res[24] += testp2(i, i);

      res[25] += test_deop(i);
      res[26] += testb_deop(i);
      res[27] += testc_deop(i);
      res[28] += testf_deop(i);
      res[29] += testp_deop(i, i);
    }

    long[] ia = new long[1000];
    for (int i = 0; i < 1000; i++) {
      ia[i] = i;
    }

    for (int i = 0; i < 100; i++) {
      res[30] = sum(ia);
      res[31] = sumb(ia);
      res[32] = sumc(ia);
      res[33] = sumf(ia);
      res[34] = sump(ia, (long)1);

      res[35] = sum2(ia);
      res[36] = sumb2(ia);
      res[37] = sumc2(ia);
      res[38] = summ2(ia);
      res[39] = sump2(ia, (long)1);

      res[40] = sum_deop(ia);
      res[41] = sumb_deop(ia);
      res[42] = sumc_deop(ia);
      res[43] = sumf_deop(ia);
      res[44] = sump_deop(ia, (long)1);

      res[45] = remi_sum();
      res[46] = remi_sumb();
      res[47] = remi_sumc();
      res[48] = remi_sumf();
      res[49] = remi_sump((long)1);

      res[50] = remi_sum2();
      res[51] = remi_sumb2();
      res[52] = remi_sumc2();
      res[53] = remi_summ2();
      res[54] = remi_sump2((long)1);

      res[55] = remi_sum_deop();
      res[56] = remi_sumb_deop();
      res[57] = remi_sumc_deop();
      res[58] = remi_sumf_deop();
      res[59] = remi_sump_deop((long)1);

      res[60] = remi_sum_cond();
      res[61] = remi_sumb_cond();
      res[62] = remi_sumc_cond();
      res[63] = remi_sumf_cond();
      res[64] = remi_sump_cond((long)1);

      res[65] = remi_sum2_cond();
      res[66] = remi_sumb2_cond();
      res[67] = remi_sumc2_cond();
      res[68] = remi_summ2_cond();
      res[69] = remi_sump2_cond((long)1);
    }

    int failed = 0;
    for (int i = 0; i < ntests; i++) {
      if (res[i] != val[i]) {
        System.err.println(test_name[i] + ": " + res[i] + " != " + val[i]);
        failed++;
      }
    }
    if (failed > 0) {
      System.err.println("Failed " + failed + " tests.");
      throw new InternalError();
    } else {
      System.out.println("Passed.");
    }
  }
}