Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.jtt/src/com/oracle/graal/lir/jtt/ConstantStackCastTest.java @ 22325:ebd91969569d
update jvmci import
author | Andreas Woess <andreas.woess@oracle.com> |
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date | Mon, 27 Jul 2015 16:11:41 +0200 |
parents | e743cde3ff3a |
children | 3285aa5a60f8 |
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/* * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.lir.jtt; import static jdk.internal.jvmci.code.ValueUtil.*; import jdk.internal.jvmci.code.*; import jdk.internal.jvmci.common.*; import jdk.internal.jvmci.meta.*; import org.junit.*; import com.oracle.graal.lir.framemap.*; import com.oracle.graal.lir.gen.*; /** * Tests move from a constant to a wider stack slot (e.g. byte constant to integer stack slot). */ public class ConstantStackCastTest extends LIRTest { private static class LoadConstantStackSpec extends LIRTestSpecification { protected final LIRKind dstKind; protected final LIRKind srcKind; public LoadConstantStackSpec(LIRKind dstKind, LIRKind srcKind) { this.dstKind = dstKind; this.srcKind = srcKind; } @Override public void generate(LIRGeneratorTool gen, Value value) { FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder(); // create slots StackSlotValue s1 = frameMapBuilder.allocateSpillSlot(dstKind); // move stuff around Value srcValue = isConstant(value) ? getConstant(srcKind, value) : value; gen.emitMove(s1, srcValue); gen.emitBlackhole(s1); setResult(gen.emitMove(s1)); } private static PrimitiveConstant getConstant(LIRKind srcKind, Value value) { switch ((Kind) srcKind.getPlatformKind()) { case Byte: return JavaConstant.forByte((byte) asConstant(value).asInt()); default: throw JVMCIError.shouldNotReachHere("Kind not supported: " + srcKind); } } } private static final LoadConstantStackSpec stackCopyByte = new LoadConstantStackSpec(LIRKind.value(Kind.Int), LIRKind.value(Kind.Byte)); @LIRIntrinsic public static byte testCopyByte(@SuppressWarnings("unused") LoadConstantStackSpec spec, byte value) { return value; } public byte testByte(byte value) { return testCopyByte(stackCopyByte, value); } @Test public void runByte() throws Throwable { runTest("testByte", (byte) 0); } }