--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotReturnOp.java 2016-12-07 13:49:49.717335308 -0800 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2012, 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 org.graalvm.compiler.hotspot.sparc; + +import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL; +import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; +import static jdk.vm.ci.code.ValueUtil.asRegister; + +import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; +import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; +import org.graalvm.compiler.lir.LIRInstructionClass; +import org.graalvm.compiler.lir.Opcode; +import org.graalvm.compiler.lir.asm.CompilationResultBuilder; +import org.graalvm.compiler.lir.sparc.SPARCControlFlow.ReturnOp; + +import jdk.vm.ci.meta.Value; + +/** + * Returns from a function. + */ +@Opcode("RETURN") +final class SPARCHotSpotReturnOp extends SPARCHotSpotEpilogueOp { + public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCHotSpotReturnOp.class); + public static final SizeEstimate SIZE = SizeEstimate.create(2); + + @Use({REG, ILLEGAL}) protected Value value; + @Use({REG}) protected Value safepointPollAddress; + private final boolean isStub; + private final GraalHotSpotVMConfig config; + + SPARCHotSpotReturnOp(Value value, boolean isStub, GraalHotSpotVMConfig config, Value safepointPoll) { + super(TYPE, SIZE); + this.value = value; + this.isStub = isStub; + this.config = config; + this.safepointPollAddress = safepointPoll; + } + + @Override + public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + if (!isStub) { + // Every non-stub compile method must have a poll before the return. + SPARCHotSpotSafepointOp.emitCode(crb, masm, config, true, null, asRegister(safepointPollAddress)); + } + ReturnOp.emitCodeHelper(crb, masm); + } +}