jdk-sandbox: hotspot/test/compiler/codegen/LoadWithMask2.java@c2304140ed64 (annotated)

22513 dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	1	/*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	4	*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	7	* published by the Free Software Foundation.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	8	*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	13	* accompanied this code).
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	14	*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	18	*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	21	* questions.
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	22	*/
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	23
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	24	/*
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	25	* @test
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	26	* @bug 8031743
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	27	* @summary loadI2L_immI broken for negative memory values
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	28	*
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	29	* @run main/othervm -Xbatch
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	30	* -XX:CompileCommand=compileonly,compiler.codegen.LoadWithMask2::foo*
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	31	* compiler.codegen.LoadWithMask2
22513 dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	32	*/
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	33
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	34	package compiler.codegen;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	35
22513 dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	36	public class LoadWithMask2 {
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	37	static int x;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	38
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	39	static long foo1() {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	40	return x & 0xfffffffe;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	41	}
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	42
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	43	static long foo2() {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	44	return x & 0xff000000;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	45	}
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	46
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	47	static long foo3() {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	48	return x & 0x8abcdef1;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	49	}
22513 dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	50
40059 c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	51	public static void main(String[] args) {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	52	x = -1;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	53	long l = 0;
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	54	for (int i = 0; i < 100000; ++i) {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	55	l = foo1() & foo2() & foo3();
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	56	}
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	57	if (l > 0) {
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	58	System.out.println("FAILED");
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	59	System.exit(97);
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	60	}
c2304140ed64 8132919: Put compiler tests in packages tpivovarova parents: 26916 diff changeset	61	System.out.println("PASSED");
22513 dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	62	}
dc47bc8ecb75 8031743: C2: loadI2L_immI broken for negative memory values iveresov parents: diff changeset	63	}

author	tpivovarova
	Tue, 12 Jul 2016 18:24:48 +0300
changeset 40059	c2304140ed64
parent 26916	8a1deee4f9b4
permissions	-rw-r--r--