106 lines
3.6 KiB
Java
106 lines
3.6 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Support BMI2 instructions on x86/x64
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*
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* @run main/othervm -Xbatch -XX:-TieredCompilation -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure
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* -XX:CompileCommand=dontinline,compiler.codegen.BMI2$BMITests::*
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* compiler.codegen.BMI2
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*/
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package compiler.codegen;
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public class BMI2 {
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private final static int ITERATIONS = 30000;
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// match(Set dst (ConvI2L (AndI src1 mask)))
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public static void testBzhiI2L(int ix) {
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long[] goldv = new long[16];
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for (int i = 0; i <= 15; i++) {
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goldv[i] = BMITests.bzhiI2L(ix, i);
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}
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for (int i2 = 0; i2 < ITERATIONS; i2++) {
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for (int i = 0; i <= 15; i++) {
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long v = BMITests.bzhiI2L(ix, i);
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if (v != goldv[i]) {
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throw new Error(returnBzhiI2LErrMessage (goldv[i], v));
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}
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}
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}
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}
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private static String returnBzhiI2LErrMessage (long value, long value2) {
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return "bzhi I2L with register failed, uncompiled result: " + value + " does not match compiled result: " + value2;
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}
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static class BMITests {
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static long bzhiI2L(int src1, int src2) {
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switch(src2) {
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case 0:
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return (long)(src1 & 0x1);
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case 1:
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return (long)(src1 & 0x3);
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case 2:
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return (long)(src1 & 0x7);
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case 3:
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return (long)(src1 & 0xF);
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case 4:
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return (long)(src1 & 0x1F);
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case 5:
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return (long)(src1 & 0x3F);
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case 6:
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return (long)(src1 & 0x7F);
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case 7:
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return (long)(src1 & 0xFF);
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case 8:
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return (long)(src1 & 0x1FF);
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case 9:
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return (long)(src1 & 0x3FF);
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case 10:
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return (long)(src1 & 0x7FF);
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case 11:
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return (long)(src1 & 0xFFF);
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case 12:
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return (long)(src1 & 0x1FFF);
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case 13:
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return (long)(src1 & 0x3FFF);
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case 14:
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return (long)(src1 & 0x7FFF);
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case 15:
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return (long)(src1 & 0xFFFF);
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default:
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return (long)(src1 & 0xFFFF);
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}
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}
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}
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public static void main(String[] args) {
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testBzhiI2L(0);
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testBzhiI2L(1);
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}
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}
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