--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.asm.sparc.test/src/org/graalvm/compiler/asm/sparc/test/SPARCAssemblerTest.java 2016-12-09 00:46:47.945201072 -0800 @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2016, 2016, 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.asm.sparc.test; + +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BPCC; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BPR; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BR; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.CBCOND; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.Annul.ANNUL; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_NOT_TAKEN; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.CC.Xcc; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.ConditionFlag.CarryClear; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.ConditionFlag.Equal; +import static org.graalvm.compiler.asm.sparc.SPARCAssembler.RCondition.Rc_z; +import static jdk.vm.ci.sparc.SPARC.g0; + +import java.util.EnumSet; +import java.util.function.Consumer; + +import jdk.vm.ci.code.Architecture; +import jdk.vm.ci.code.BailoutException; +import jdk.vm.ci.code.TargetDescription; +import jdk.vm.ci.sparc.SPARC; + +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + +import org.graalvm.compiler.asm.Label; +import org.graalvm.compiler.asm.sparc.SPARCAssembler; +import org.graalvm.compiler.asm.sparc.SPARCAssembler.ControlTransferOp; +import org.graalvm.compiler.asm.sparc.SPARCAssembler.SPARCOp; +import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; +import org.graalvm.compiler.test.GraalTest; + +public class SPARCAssemblerTest extends GraalTest { + private SPARCMacroAssembler masm; + + private static EnumSet computeFeatures() { + EnumSet features = EnumSet.noneOf(SPARC.CPUFeature.class); + features.add(SPARC.CPUFeature.CBCOND); + return features; + } + + private static TargetDescription createTarget() { + final int stackFrameAlignment = 16; + final int implicitNullCheckLimit = 4096; + final boolean inlineObjects = true; + Architecture arch = new SPARC(computeFeatures()); + return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + } + + @Before + public void setup() { + TargetDescription target = createTarget(); + masm = new SPARCMacroAssembler(target); + } + + @Test + public void testPatchCbcod() { + testControlTransferOp(l -> CBCOND.emit(masm, CarryClear, false, g0, 3, l), -512, 511); + } + + @Test + public void testPatchBpcc() { + int maxDisp = 1 << 18; + testControlTransferOp(l -> BPCC.emit(masm, Xcc, Equal, ANNUL, PREDICT_NOT_TAKEN, l), -maxDisp, + maxDisp - 1); + } + + @Test + public void testPatchBpr() { + int maxDisp = 1 << 15; + testControlTransferOp(l -> BPR.emit(masm, Rc_z, ANNUL, PREDICT_NOT_TAKEN, g0, l), -maxDisp, + maxDisp - 1); + } + + @Test + public void testPatchBr() { + int maxDisp = 1 << 21; + testControlTransferOp(l -> BR.emit(masm, Equal, ANNUL, l), -maxDisp, + maxDisp - 1); + } + + @Test(expected = BailoutException.class) + public void testControlTransferInvalidDisp() { + int cbcondInstruction = 0x12f83f60; + CBCOND.setDisp(cbcondInstruction, 0x2ff); + } + + public void testControlTransferOp(Consumer