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 */ 23 package org.graalvm.compiler.asm.amd64.test; 24 25 import static org.junit.Assume.assumeTrue; 26 27 import java.nio.ByteBuffer; 28 import java.nio.ByteOrder; 29 30 import jdk.vm.ci.amd64.AMD64; 31 import jdk.vm.ci.code.CallingConvention; 32 import jdk.vm.ci.code.Register; 33 import jdk.vm.ci.code.RegisterConfig; 34 import jdk.vm.ci.code.TargetDescription; 35 import jdk.vm.ci.code.site.DataSectionReference; 36 import jdk.vm.ci.meta.JavaConstant; 37 import jdk.vm.ci.meta.JavaKind; 38 39 import org.junit.Before; 40 import org.junit.Test; 41 42 import org.graalvm.compiler.asm.amd64.AMD64Assembler; 43 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 44 import org.graalvm.compiler.asm.test.AssemblerTest; 45 import org.graalvm.compiler.code.CompilationResult; 46 import org.graalvm.compiler.code.DataSection.Data; 47 import org.graalvm.compiler.code.DataSection.RawData; 48 import org.graalvm.compiler.code.DataSection.SerializableData; 49 50 public class SimpleAssemblerTest extends AssemblerTest { 51 52 @Before 53 public void checkAMD64() { 54 assumeTrue("skipping AMD64 specific test", codeCache.getTarget().arch instanceof AMD64); 55 } 56 57 @Test 58 public void intTest() { 59 CodeGenTest test = new CodeGenTest() { 60 61 @Override 62 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 63 AMD64Assembler asm = new AMD64Assembler(target); 64 Register ret = registerConfig.getReturnRegister(JavaKind.Int); 65 asm.movl(ret, 8472); 66 asm.ret(0); 67 return asm.close(true); 68 } 69 }; 70 assertReturn("intStub", test, 8472); 71 } 72 73 @Test 74 public void doubleTest() { 75 CodeGenTest test = new CodeGenTest() { 76 77 @Override 78 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 79 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 80 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 81 Data data = new SerializableData(JavaConstant.forDouble(84.72), 8); 82 DataSectionReference ref = compResult.getDataSection().insertData(data); 83 compResult.recordDataPatch(asm.position(), ref); 84 asm.movdbl(ret, asm.getPlaceholder(-1)); 85 asm.ret(0); 86 return asm.close(true); 87 } 88 }; 89 assertReturn("doubleStub", test, 84.72); 90 } 91 92 @Test 93 public void rawDoubleTest() { 94 CodeGenTest test = new CodeGenTest() { 95 96 @Override 97 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 98 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 99 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 100 101 byte[] rawBytes = new byte[8]; 102 ByteBuffer.wrap(rawBytes).order(ByteOrder.nativeOrder()).putDouble(84.72); 103 Data data = new RawData(rawBytes, 8); 104 DataSectionReference ref = compResult.getDataSection().insertData(data); 105 compResult.recordDataPatch(asm.position(), ref); 106 asm.movdbl(ret, asm.getPlaceholder(-1)); 107 asm.ret(0); 108 return asm.close(true); 109 } 110 }; 111 assertReturn("doubleStub", test, 84.72); 112 } 113 114 public static int intStub() { 115 return 0; 116 } 117 118 public static double doubleStub() { 119 return 0.0; 120 } 121 }