--- /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/SPARCHotSpotDeoptimizeCallerOp.java 2016-12-07 13:49:44.677113766 -0800 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2012, 2013, 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.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER; + +import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; +import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.ScratchRegister; +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.SPARCCall; + +import jdk.vm.ci.code.Register; + +/** + * Removes the current frame and tail calls the uncommon trap routine. + */ +@Opcode("DEOPT_CALLER") +final class SPARCHotSpotDeoptimizeCallerOp extends SPARCHotSpotEpilogueOp { + public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCHotSpotDeoptimizeCallerOp.class); + public static final SizeEstimate SIZE = SizeEstimate.create(32); + + protected SPARCHotSpotDeoptimizeCallerOp() { + super(TYPE, SIZE); + } + + @Override + public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { + leaveFrame(crb); + + // SPARCHotSpotBackend backend = (SPARCHotSpotBackend) + // HotSpotGraalRuntime.runtime().getBackend(); + // final boolean isStub = true; + // HotSpotFrameContext frameContext = backend.new HotSpotFrameContext(isStub); + // frameContext.enter(crb); + + try (ScratchRegister sc = masm.getScratchRegister()) { + Register scratch = sc.getRegister(); + SPARCCall.indirectJmp(crb, masm, scratch, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER)); + } + + // frameContext.leave(crb); + } +}