4449N/A/*
4449N/A * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
4449N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4449N/A *
4449N/A * This code is free software; you can redistribute it and/or modify it
4449N/A * under the terms of the GNU General Public License version 2 only, as
4449N/A * published by the Free Software Foundation.
4449N/A *
4449N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4449N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4449N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4449N/A * version 2 for more details (a copy is included in the LICENSE file that
4449N/A * accompanied this code).
4449N/A *
4449N/A * You should have received a copy of the GNU General Public License version
4449N/A * 2 along with this work; if not, write to the Free Software Foundation,
4449N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4449N/A *
4449N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4449N/A * or visit www.oracle.com if you need additional information or have any
4449N/A * questions.
4449N/A *
4449N/A */
4449N/A
4449N/A/**
4449N/A * @test
4449N/A * @bug 6443505
4449N/A * @summary Some cases for CmpLTMask missed; also wrong code.
4449N/A *
4449N/A * @run main/othervm -Xcomp -XX:CompileOnly="Test6443505.compiled" Test6443505
4449N/A */
4449N/A
4449N/Apublic class Test6443505 {
4449N/A
4449N/A public static void main(String[] args) throws InterruptedException {
4449N/A test(Integer.MIN_VALUE, 0);
4449N/A test(0, Integer.MIN_VALUE);
4449N/A test(Integer.MIN_VALUE, -1);
4449N/A test(-1, Integer.MIN_VALUE);
4449N/A test(Integer.MIN_VALUE, 1);
4449N/A test(1, Integer.MIN_VALUE);
4449N/A
4449N/A test(Integer.MAX_VALUE, 0);
4449N/A test(0, Integer.MAX_VALUE);
4449N/A test(Integer.MAX_VALUE, -1);
4449N/A test(-1, Integer.MAX_VALUE);
4449N/A test(Integer.MAX_VALUE, 1);
4449N/A test(1, Integer.MAX_VALUE);
4449N/A
4449N/A test(Integer.MIN_VALUE, Integer.MAX_VALUE);
4449N/A test(Integer.MAX_VALUE, Integer.MIN_VALUE);
4449N/A
4449N/A test(1, -1);
4449N/A test(1, 0);
4449N/A test(1, 1);
4449N/A test(-1, -1);
4449N/A test(-1, 0);
4449N/A test(-1, 1);
4449N/A test(0, -1);
4449N/A test(0, 0);
4449N/A test(0, 1);
4449N/A }
4449N/A
4449N/A public static void test(int a, int b) throws InterruptedException {
4449N/A int C = compiled(4, a, b);
4449N/A int I = interpreted(4, a, b);
4449N/A if (C != I) {
4449N/A System.err.println("#1 C = " + C + ", I = " + I);
4449N/A System.err.println("#1 C != I, FAIL");
4449N/A System.exit(97);
4449N/A }
4449N/A
4449N/A C = compiled(a, b, q, 4);
4449N/A I = interpreted(a, b, q, 4);
4449N/A if (C != I) {
4449N/A System.err.println("#2 C = " + C + ", I = " + I);
4449N/A System.err.println("#2 C != I, FAIL");
4449N/A System.exit(97);
4449N/A }
4449N/A
4449N/A }
4449N/A
4449N/A static int q = 4;
4449N/A
4449N/A // If improperly compiled, uses carry/borrow bit, which is wrong.
4449N/A // with -XX:+PrintOptoAssembly, look for cadd_cmpLTMask
4449N/A static int compiled(int p, int x, int y) {
4449N/A return (x < y) ? q + (x - y) : (x - y);
4449N/A }
4449N/A
4449N/A // interpreted reference
4449N/A static int interpreted(int p, int x, int y) {
4449N/A return (x < y) ? q + (x - y) : (x - y);
4449N/A }
4449N/A
4449N/A // Test new code with a range of cases
4449N/A // with -XX:+PrintOptoAssembly, look for and_cmpLTMask
4449N/A static int compiled(int x, int y, int q, int p) {
4449N/A return (x < y) ? p + q : q;
4449N/A }
4449N/A
4449N/A // interpreted reference
4449N/A static int interpreted(int x, int y, int q, int p) {
4449N/A return (x < y) ? p + q : q;
4449N/A }
4449N/A
4449N/A}