--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.jtt/src/org/graalvm/compiler/lir/jtt/SPARCBranchBailoutTest.java 2020-05-01 02:30:58.217856554 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,110 +0,0 @@ -/* - * Copyright (c) 2016, 2018, 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 org.graalvm.compiler.lir.jtt; - -import org.graalvm.compiler.api.directives.GraalDirectives; -import org.graalvm.compiler.asm.BranchTargetOutOfBoundsException; -import org.graalvm.compiler.debug.DebugContext; -import org.graalvm.compiler.debug.DebugContext.Scope; -import org.graalvm.compiler.lir.LIRInstruction; -import org.graalvm.compiler.lir.LIRInstructionClass; -import org.graalvm.compiler.lir.asm.CompilationResultBuilder; -import org.graalvm.compiler.lir.gen.LIRGeneratorTool; -import org.graalvm.compiler.nodes.StructuredGraph; -import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; -import org.junit.Assume; -import org.junit.Test; - -import jdk.vm.ci.code.BailoutException; -import jdk.vm.ci.meta.ResolvedJavaMethod; -import jdk.vm.ci.meta.Value; -import jdk.vm.ci.sparc.SPARC; - -/** - * Tests the {@link BailoutException} thrown, when trying to compile huge methods, which have branch - * displacements which does not fit into 19 bit signed. - */ -public class SPARCBranchBailoutTest extends LIRTest { - private static class BranchSpec extends LIRTestSpecification { - private final int n; - - BranchSpec(int n) { - super(); - this.n = n; - } - - @Override - public void generate(LIRGeneratorTool gen, Value a) { - gen.append(new LargeOp(n)); - setResult(a); - } - } - - private static final BranchSpec spec = new BranchSpec(1 << 20); - - @LIRIntrinsic - public static int branch(@SuppressWarnings("unused") BranchSpec s, int a) { - return a; - } - - public static int testBranch(int length) { - int res = 1; - if (length > 0) { - res = branch(spec, 1); - } else { - res = branch(spec, 2); - } - return GraalDirectives.opaque(res); - } - - @SuppressWarnings("try") - @Test(expected = BranchTargetOutOfBoundsException.class) - public void testBailoutOnBranchOverflow() throws Throwable { - Assume.assumeTrue(getBackend().getTarget().arch instanceof SPARC); - ResolvedJavaMethod m = getResolvedJavaMethod("testBranch"); - DebugContext debug = getDebugContext(); - try (Scope s = debug.disable()) { - StructuredGraph graph = parseEager(m, AllowAssumptions.YES, debug); - compile(m, graph); - } - } - - public static class LargeOp extends LIRInstruction { - private static final LIRInstructionClass TYPE = LIRInstructionClass.create(LargeOp.class); - private final int n; - - public LargeOp(int n) { - super(TYPE); - this.n = n; - } - - @Override - public void emitCode(CompilationResultBuilder crb) { - for (int i = 0; i < n; i++) { - crb.asm.emitInt(0); - } - } - } -}