1 /* 2 * Copyright (c) 2015, 2015, 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.core.amd64.test; 24 25 import static org.junit.Assume.assumeTrue; 26 27 import org.junit.Before; 28 import org.junit.Test; 29 30 import org.graalvm.compiler.core.common.LIRKind; 31 import org.graalvm.compiler.lir.VirtualStackSlot; 32 import org.graalvm.compiler.lir.framemap.FrameMapBuilder; 33 import org.graalvm.compiler.lir.gen.LIRGeneratorTool; 34 import org.graalvm.compiler.lir.jtt.LIRTest; 35 import org.graalvm.compiler.lir.jtt.LIRTestSpecification; 36 37 import jdk.vm.ci.amd64.AMD64; 38 import jdk.vm.ci.amd64.AMD64Kind; 39 import jdk.vm.ci.meta.JavaConstant; 40 import jdk.vm.ci.meta.Value; 41 42 public class StackStoreTest extends LIRTest { 43 @Before 44 public void checkAMD64() { 45 assumeTrue("skipping AMD64 specific test", getTarget().arch instanceof AMD64); 46 } 47 48 private static final LIRTestSpecification stackCopy0 = new LIRTestSpecification() { 49 @Override 50 public void generate(LIRGeneratorTool gen, Value a) { 51 FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder(); 52 // create slots 53 VirtualStackSlot s1 = frameMapBuilder.allocateSpillSlot(a.getValueKind()); 54 VirtualStackSlot s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(AMD64Kind.WORD)); 55 // move stuff around 56 gen.emitMove(s1, a); 57 gen.emitMoveConstant(s2, JavaConstant.forShort(Short.MIN_VALUE)); 58 setResult(gen.emitMove(s1)); 59 gen.emitBlackhole(s1); 60 gen.emitBlackhole(s2); 61 } 62 }; 63 64 private static final LIRTestSpecification stackCopy1 = new LIRTestSpecification() { 65 @Override 66 public void generate(LIRGeneratorTool gen, Value a) { 67 FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder(); 68 // create slots 69 VirtualStackSlot s1 = frameMapBuilder.allocateSpillSlot(a.getValueKind()); 70 VirtualStackSlot s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(AMD64Kind.WORD)); 71 // move stuff around 72 gen.emitMove(s1, a); 73 Value v = gen.emitLoadConstant(LIRKind.value(AMD64Kind.WORD), JavaConstant.forShort(Short.MIN_VALUE)); 74 gen.emitMove(s2, v); 75 setResult(gen.emitMove(s1)); 76 gen.emitBlackhole(s1); 77 gen.emitBlackhole(s2); 78 } 79 }; 80 81 private static final LIRTestSpecification stackCopy2 = new LIRTestSpecification() { 82 @Override 83 public void generate(LIRGeneratorTool gen, Value a) { 84 FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder(); 85 // create slots 86 VirtualStackSlot s1 = frameMapBuilder.allocateSpillSlot(a.getValueKind()); 87 VirtualStackSlot s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(AMD64Kind.WORD)); 88 // move stuff around 89 gen.emitMoveConstant(s2, JavaConstant.forShort(Short.MIN_VALUE)); 90 gen.emitMove(s1, a); 91 setResult(gen.emitMove(s2)); 92 gen.emitBlackhole(s1); 93 gen.emitBlackhole(s2); 94 } 95 }; 96 97 @SuppressWarnings("unused") 98 @LIRIntrinsic 99 public static int testShortStackSlot(LIRTestSpecification spec, int a) { 100 return a; 101 } 102 103 @SuppressWarnings("unused") 104 @LIRIntrinsic 105 public static short testShortStackSlot2(LIRTestSpecification spec, int a) { 106 return Short.MIN_VALUE; 107 } 108 109 public int test0(int a) { 110 return testShortStackSlot(stackCopy0, a); 111 } 112 113 @Test 114 public void run0() throws Throwable { 115 runTest("test0", 0xDEADDEAD); 116 } 117 118 public int test1(int a) { 119 return testShortStackSlot(stackCopy1, a); 120 } 121 122 @Test 123 public void run1() throws Throwable { 124 runTest("test1", 0xDEADDEAD); 125 } 126 127 public int test2(int a) { 128 return testShortStackSlot2(stackCopy2, a); 129 } 130 131 @Test 132 public void run2() throws Throwable { 133 runTest("test2", 0xDEADDEAD); 134 } 135 136 }