001/*
002 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.amd64.test;
024
025import jdk.internal.jvmci.amd64.*;
026import jdk.internal.jvmci.code.*;
027import jdk.internal.jvmci.meta.*;
028import static org.junit.Assume.*;
029
030import org.junit.*;
031
032import com.oracle.graal.lir.framemap.*;
033import com.oracle.graal.lir.gen.*;
034import com.oracle.graal.lir.jtt.*;
035
036public class StackStoreTest extends LIRTest {
037    @Before
038    public void checkAMD64() {
039        assumeTrue("skipping AMD64 specific test", getTarget().arch instanceof AMD64);
040    }
041
042    private static final LIRTestSpecification stackCopy0 = new LIRTestSpecification() {
043        @Override
044        public void generate(LIRGeneratorTool gen, Value a) {
045            FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder();
046            // create slots
047            StackSlotValue s1 = frameMapBuilder.allocateSpillSlot(a.getLIRKind());
048            StackSlotValue s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(Kind.Short));
049            // move stuff around
050            gen.emitMove(s1, a);
051            gen.emitMove(s2, JavaConstant.forShort(Short.MIN_VALUE));
052            setResult(gen.emitMove(s1));
053            gen.emitBlackhole(s1);
054            gen.emitBlackhole(s2);
055        }
056    };
057
058    private static final LIRTestSpecification stackCopy1 = new LIRTestSpecification() {
059        @Override
060        public void generate(LIRGeneratorTool gen, Value a) {
061            FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder();
062            // create slots
063            StackSlotValue s1 = frameMapBuilder.allocateSpillSlot(a.getLIRKind());
064            StackSlotValue s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(Kind.Short));
065            // move stuff around
066            gen.emitMove(s1, a);
067            Value v = gen.emitMove(JavaConstant.forShort(Short.MIN_VALUE));
068            gen.emitMove(s2, v);
069            setResult(gen.emitMove(s1));
070            gen.emitBlackhole(s1);
071            gen.emitBlackhole(s2);
072        }
073    };
074
075    private static final LIRTestSpecification stackCopy2 = new LIRTestSpecification() {
076        @Override
077        public void generate(LIRGeneratorTool gen, Value a) {
078            FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder();
079            // create slots
080            StackSlotValue s1 = frameMapBuilder.allocateSpillSlot(a.getLIRKind());
081            StackSlotValue s2 = frameMapBuilder.allocateSpillSlot(LIRKind.value(Kind.Short));
082            // move stuff around
083            gen.emitMove(s2, JavaConstant.forShort(Short.MIN_VALUE));
084            gen.emitMove(s1, a);
085            setResult(gen.emitMove(s2));
086            gen.emitBlackhole(s1);
087            gen.emitBlackhole(s2);
088        }
089    };
090
091    @SuppressWarnings("unused")
092    @LIRIntrinsic
093    public static int testShortStackSlot(LIRTestSpecification spec, int a) {
094        return a;
095    }
096
097    @SuppressWarnings("unused")
098    @LIRIntrinsic
099    public static short testShortStackSlot2(LIRTestSpecification spec, int a) {
100        return Short.MIN_VALUE;
101    }
102
103    public int test0(int a) {
104        return testShortStackSlot(stackCopy0, a);
105    }
106
107    @Test
108    public void run0() throws Throwable {
109        runTest("test0", 0xDEADDEAD);
110    }
111
112    public int test1(int a) {
113        return testShortStackSlot(stackCopy1, a);
114    }
115
116    @Test
117    public void run1() throws Throwable {
118        runTest("test1", 0xDEADDEAD);
119    }
120
121    public int test2(int a) {
122        return testShortStackSlot2(stackCopy2, a);
123    }
124
125    @Test
126    public void run2() throws Throwable {
127        runTest("test2", 0xDEADDEAD);
128    }
129
130}