1/* 2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package org.graalvm.compiler.asm.amd64.test; 24 25import static org.junit.Assume.assumeTrue; 26 27import java.nio.ByteBuffer; 28import java.nio.ByteOrder; 29 30import org.graalvm.compiler.asm.amd64.AMD64Assembler; 31import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 32import org.graalvm.compiler.asm.test.AssemblerTest; 33import org.graalvm.compiler.code.CompilationResult; 34import org.graalvm.compiler.code.DataSection.Data; 35import org.graalvm.compiler.code.DataSection.RawData; 36import org.graalvm.compiler.code.DataSection.SerializableData; 37import org.junit.Before; 38import org.junit.Test; 39 40import jdk.vm.ci.amd64.AMD64; 41import jdk.vm.ci.code.CallingConvention; 42import jdk.vm.ci.code.Register; 43import jdk.vm.ci.code.RegisterConfig; 44import jdk.vm.ci.code.TargetDescription; 45import jdk.vm.ci.code.site.DataSectionReference; 46import jdk.vm.ci.meta.JavaConstant; 47import jdk.vm.ci.meta.JavaKind; 48 49public class SimpleAssemblerTest extends AssemblerTest { 50 51 @Before 52 public void checkAMD64() { 53 assumeTrue("skipping AMD64 specific test", codeCache.getTarget().arch instanceof AMD64); 54 } 55 56 @Test 57 public void intTest() { 58 CodeGenTest test = new CodeGenTest() { 59 60 @Override 61 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 62 AMD64Assembler asm = new AMD64Assembler(target); 63 Register ret = registerConfig.getReturnRegister(JavaKind.Int); 64 asm.movl(ret, 8472); 65 asm.ret(0); 66 return asm.close(true); 67 } 68 }; 69 assertReturn("intStub", test, 8472); 70 } 71 72 @Test 73 public void doubleTest() { 74 CodeGenTest test = new CodeGenTest() { 75 76 @Override 77 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 78 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 79 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 80 Data data = new SerializableData(JavaConstant.forDouble(84.72), 8); 81 DataSectionReference ref = compResult.getDataSection().insertData(data); 82 compResult.recordDataPatch(asm.position(), ref); 83 asm.movdbl(ret, asm.getPlaceholder(-1)); 84 asm.ret(0); 85 return asm.close(true); 86 } 87 }; 88 assertReturn("doubleStub", test, 84.72); 89 } 90 91 @Test 92 public void rawDoubleTest() { 93 CodeGenTest test = new CodeGenTest() { 94 95 @Override 96 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 97 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 98 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 99 100 byte[] rawBytes = new byte[8]; 101 ByteBuffer.wrap(rawBytes).order(ByteOrder.nativeOrder()).putDouble(84.72); 102 Data data = new RawData(rawBytes, 8); 103 DataSectionReference ref = compResult.getDataSection().insertData(data); 104 compResult.recordDataPatch(asm.position(), ref); 105 asm.movdbl(ret, asm.getPlaceholder(-1)); 106 asm.ret(0); 107 return asm.close(true); 108 } 109 }; 110 assertReturn("doubleStub", test, 84.72); 111 } 112 113 public static int intStub() { 114 return 0; 115 } 116 117 public static double doubleStub() { 118 return 0.0; 119 } 120} 121