--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCByteSwapOp.java	2016-12-09 00:53:50.500826180 -0800
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2013, 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.lir.sparc;
+
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.HINT;
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.UNINITIALIZED;
+import static jdk.vm.ci.code.ValueUtil.asRegister;
+import static jdk.vm.ci.sparc.SPARCKind.WORD;
+import static jdk.vm.ci.sparc.SPARCKind.XWORD;
+
+import org.graalvm.compiler.asm.sparc.SPARCAddress;
+import org.graalvm.compiler.asm.sparc.SPARCAssembler.Asi;
+import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.debug.GraalError;
+import org.graalvm.compiler.lir.LIRInstructionClass;
+import org.graalvm.compiler.lir.Opcode;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
+import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
+
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.ValueUtil;
+import jdk.vm.ci.meta.AllocatableValue;
+import jdk.vm.ci.meta.Value;
+import jdk.vm.ci.sparc.SPARCKind;
+
+@Opcode("BSWAP")
+public final class SPARCByteSwapOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction {
+    public static final LIRInstructionClass<SPARCByteSwapOp> TYPE = LIRInstructionClass.create(SPARCByteSwapOp.class);
+    public static final SizeEstimate SIZE = SizeEstimate.create(3);
+    @Def({REG, HINT}) protected Value result;
+    @Use({REG}) protected Value input;
+    @Temp({REG}) protected Value tempIndex;
+    @Use({STACK, UNINITIALIZED}) protected AllocatableValue tmpSlot;
+
+    public SPARCByteSwapOp(LIRGeneratorTool tool, Value result, Value input) {
+        super(TYPE, SIZE);
+        this.result = result;
+        this.input = input;
+        this.tmpSlot = tool.getResult().getFrameMapBuilder().allocateSpillSlot(LIRKind.value(XWORD));
+        this.tempIndex = tool.newVariable(LIRKind.value(XWORD));
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
+        SPARCAddress addr = (SPARCAddress) crb.asAddress(tmpSlot);
+        SPARCMove.emitStore(input, addr, result.getPlatformKind(), SPARCDelayedControlTransfer.DUMMY, null, crb, masm);
+        if (addr.getIndex().equals(Register.None)) {
+            Register tempReg = ValueUtil.asRegister(tempIndex, XWORD);
+            masm.setx(addr.getDisplacement(), tempReg, false);
+            addr = new SPARCAddress(addr.getBase(), tempReg);
+        }
+        getDelayedControlTransfer().emitControlTransfer(crb, masm);
+        switch ((SPARCKind) input.getPlatformKind()) {
+            case WORD:
+                masm.lduwa(addr.getBase(), addr.getIndex(), asRegister(result, WORD), Asi.ASI_PRIMARY_LITTLE);
+                break;
+            case XWORD:
+                masm.ldxa(addr.getBase(), addr.getIndex(), asRegister(result, XWORD), Asi.ASI_PRIMARY_LITTLE);
+                break;
+            default:
+                throw GraalError.shouldNotReachHere();
+        }
+    }
+}