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test/compiler/6378821/Test6378821.java@dbb05f6d93c4 (annotated)

test/compiler/6378821/Test6378821.java

Mon, 28 Jul 2014 15:06:38 -0700

author

fzhinkin

date

Mon, 28 Jul 2014 15:06:38 -0700

changeset 6997

dbb05f6d93c4

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

permissions

-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

twisti@1078	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
twisti@1078	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@1078	4	*
twisti@1078	5	* This code is free software; you can redistribute it and/or modify it
twisti@1078	6	* under the terms of the GNU General Public License version 2 only, as
twisti@1078	7	* published by the Free Software Foundation.
twisti@1078	8	*
twisti@1078	9	* This code is distributed in the hope that it will be useful, but WITHOUT
twisti@1078	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@1078	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
twisti@1078	12	* version 2 for more details (a copy is included in the LICENSE file that
twisti@1078	13	* accompanied this code).
twisti@1078	14	*
twisti@1078	15	* You should have received a copy of the GNU General Public License version
twisti@1078	16	* 2 along with this work; if not, write to the Free Software Foundation,
twisti@1078	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@1078	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
twisti@1078	22	*/
twisti@1078	23
twisti@1078	24	/**
twisti@1078	25	* @test
twisti@1078	26	* @bug 6378821
twisti@1078	27	* @summary where available, bitCount() should use POPC on SPARC processors and AMD+10h
twisti@1078	28	*
twisti@1078	29	* @run main/othervm -Xcomp -XX:CompileOnly=Test6378821.fcomp Test6378821
twisti@1078	30	*/
twisti@1078	31
twisti@1078	32	public class Test6378821 {
twisti@1078	33	static final int[] ia = new int[] { 0x12345678 };
twisti@1078	34	static final long[] la = new long[] { 0x12345678abcdefL };
twisti@1078	35
twisti@1078	36	public static void main(String [] args) {
twisti@1078	37	// Resolve the class and the method.
twisti@1078	38	Integer.bitCount(1);
twisti@1078	39	Long.bitCount(1);
twisti@1078	40
twisti@1078	41	sub(ia[0]);
twisti@1078	42	sub(la[0]);
twisti@1078	43	sub(ia);
twisti@1078	44	sub(la);
twisti@1078	45	}
twisti@1078	46
twisti@1078	47	static void check(int i, int expected, int result) {
twisti@1078	48	if (result != expected) {
twisti@1078	49	throw new InternalError("Wrong population count for " + i + ": " + result + " != " + expected);
twisti@1078	50	}
twisti@1078	51	}
twisti@1078	52
twisti@1078	53	static void check(long l, int expected, int result) {
twisti@1078	54	if (result != expected) {
twisti@1078	55	throw new InternalError("Wrong population count for " + l + ": " + result + " != " + expected);
twisti@1078	56	}
twisti@1078	57	}
twisti@1078	58
twisti@1078	59	static void sub(int i) { check(i, fint(i), fcomp(i) ); }
twisti@1078	60	static void sub(int[] ia) { check(ia[0], fint(ia), fcomp(ia)); }
twisti@1078	61	static void sub(long l) { check(l, fint(l), fcomp(l) ); }
twisti@1078	62	static void sub(long[] la) { check(la[0], fint(la), fcomp(la)); }
twisti@1078	63
twisti@1078	64	static int fint (int i) { return Integer.bitCount(i); }
twisti@1078	65	static int fcomp(int i) { return Integer.bitCount(i); }
twisti@1078	66
twisti@1078	67	static int fint (int[] ia) { return Integer.bitCount(ia[0]); }
twisti@1078	68	static int fcomp(int[] ia) { return Integer.bitCount(ia[0]); }
twisti@1078	69
twisti@1078	70	static int fint (long l) { return Long.bitCount(l); }
twisti@1078	71	static int fcomp(long l) { return Long.bitCount(l); }
twisti@1078	72
twisti@1078	73	static int fint (long[] la) { return Long.bitCount(la[0]); }
twisti@1078	74	static int fcomp(long[] la) { return Long.bitCount(la[0]); }
twisti@1078	75	}