--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotEnterUnpackFramesStackFrameOp.java	2017-02-15 16:59:13.435235074 -0800
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2014, 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.REG;
+import static jdk.vm.ci.code.ValueUtil.asRegister;
+import static jdk.vm.ci.sparc.SPARC.STACK_BIAS;
+import static jdk.vm.ci.sparc.SPARC.g0;
+import static jdk.vm.ci.sparc.SPARC.i0;
+import static jdk.vm.ci.sparc.SPARC.i1;
+import static jdk.vm.ci.sparc.SPARC.i2;
+import static jdk.vm.ci.sparc.SPARC.i3;
+import static jdk.vm.ci.sparc.SPARC.i4;
+import static jdk.vm.ci.sparc.SPARC.l7;
+import static jdk.vm.ci.sparc.SPARC.o0;
+import static jdk.vm.ci.sparc.SPARC.o1;
+import static jdk.vm.ci.sparc.SPARC.o2;
+import static jdk.vm.ci.sparc.SPARC.o3;
+import static jdk.vm.ci.sparc.SPARC.o4;
+import static jdk.vm.ci.sparc.SPARC.o5;
+import static jdk.vm.ci.sparc.SPARC.o7;
+import static jdk.vm.ci.sparc.SPARC.sp;
+
+import org.graalvm.compiler.asm.sparc.SPARCAddress;
+import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.hotspot.HotSpotBackend;
+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.SPARCLIRInstruction;
+
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.meta.AllocatableValue;
+import jdk.vm.ci.meta.PlatformKind;
+
+/**
+ * Emits code that enters a stack frame which is tailored to call the C++ method
+ * {@link HotSpotBackend#UNPACK_FRAMES Deoptimization::unpack_frames}.
+ */
+@Opcode("ENTER_UNPACK_FRAMES_STACK_FRAME")
+final class SPARCHotSpotEnterUnpackFramesStackFrameOp extends SPARCLIRInstruction {
+    public static final LIRInstructionClass<SPARCHotSpotEnterUnpackFramesStackFrameOp> TYPE = LIRInstructionClass.create(SPARCHotSpotEnterUnpackFramesStackFrameOp.class);
+
+    private final Register thread;
+    private final int threadLastJavaSpOffset;
+    private final int threadLastJavaPcOffset;
+    @Alive(REG) AllocatableValue framePc;
+    @Alive(REG) AllocatableValue senderSp;
+    @Temp(REG) AllocatableValue scratch;
+    @Temp(REG) AllocatableValue callerReturnPc;
+
+    SPARCHotSpotEnterUnpackFramesStackFrameOp(Register thread, int threadLastJavaSpOffset, int threadLastJavaPcOffset, AllocatableValue framePc, AllocatableValue senderSp, AllocatableValue scratch,
+                    PlatformKind wordKind) {
+        super(TYPE);
+        this.thread = thread;
+        this.threadLastJavaSpOffset = threadLastJavaSpOffset;
+        this.threadLastJavaPcOffset = threadLastJavaPcOffset;
+        this.framePc = framePc;
+        this.senderSp = senderSp;
+        this.scratch = scratch;
+        callerReturnPc = o7.asValue(LIRKind.value(wordKind));
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
+        final int totalFrameSize = crb.frameMap.totalFrameSize();
+        Register framePcRegister = asRegister(framePc);
+        Register senderSpRegister = asRegister(senderSp);
+        Register scratchRegister = asRegister(scratch);
+
+        // Save final sender SP to O5_savedSP.
+        masm.mov(senderSpRegister, o5);
+
+        // Load final frame PC.
+        masm.mov(framePcRegister, asRegister(callerReturnPc));
+
+        // Allocate a full sized frame.
+        masm.save(sp, -totalFrameSize, sp);
+
+        masm.mov(i0, o0);
+        masm.mov(i1, o1);
+        masm.mov(i2, o2);
+        masm.mov(i3, o3);
+        masm.mov(i4, o4);
+
+        // Set up last Java values.
+        masm.add(sp, STACK_BIAS, scratchRegister);
+        masm.stx(scratchRegister, new SPARCAddress(thread, threadLastJavaSpOffset));
+
+        // Clear last Java PC.
+        masm.stx(g0, new SPARCAddress(thread, threadLastJavaPcOffset));
+
+        /*
+         * Safe thread register manually since we are not using LEAF_SP for {@link
+         * DeoptimizationStub#UNPACK_FRAMES}.
+         */
+        masm.mov(thread, l7);
+    }
+
+    @Override
+    public boolean leavesRegisterWindow() {
+        return true;
+    }
+}