--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotPushInterpreterFrameOp.java	Wed Apr 23 15:12:41 2014 -1000
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2013, 2014, 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 com.oracle.graal.hotspot.sparc;
+
+import static com.oracle.graal.asm.sparc.SPARCMacroAssembler.*;
+import static com.oracle.graal.sparc.SPARC.*;
+import static com.oracle.graal.api.code.ValueUtil.*;
+import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.asm.sparc.*;
+import com.oracle.graal.lir.*;
+import com.oracle.graal.lir.sparc.*;
+import com.oracle.graal.lir.asm.*;
+
+/**
+ * Pushes an interpreter frame to the stack.
+ */
+@Opcode("PUSH_INTERPRETER_FRAME")
+final class SPARCHotSpotPushInterpreterFrameOp extends SPARCLIRInstruction {
+
+    @Alive(REG) AllocatableValue frameSize;
+    @Alive(REG) AllocatableValue framePc;
+    @Alive(REG) AllocatableValue senderSp;
+    @Alive(REG) AllocatableValue initialInfo;
+
+    SPARCHotSpotPushInterpreterFrameOp(AllocatableValue frameSize, AllocatableValue framePc, AllocatableValue senderSp, AllocatableValue initialInfo) {
+        this.frameSize = frameSize;
+        this.framePc = framePc;
+        this.senderSp = senderSp;
+        this.initialInfo = initialInfo;
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
+        final Register frameSizeRegister = asRegister(frameSize);
+        final Register framePcRegister = asRegister(framePc);
+        final Register senderSpRegister = asRegister(senderSp);
+
+        // Save sender SP to O5_savedSP.
+        new Mov(senderSpRegister, o5).emit(masm);
+
+        new Neg(frameSizeRegister).emit(masm);
+        new Save(sp, frameSizeRegister, sp).emit(masm);
+
+        new Mov(i0, o0).emit(masm);
+        new Mov(i1, o1).emit(masm);
+        new Mov(i2, o2).emit(masm);
+        new Mov(i3, o3).emit(masm);
+        new Mov(i4, o4).emit(masm);
+
+        // NOTE: Don't touch I5 as it contains valuable saved SP!
+
+        // Move frame's new PC into i7
+        new Mov(framePcRegister, i7).emit(masm);
+    }
+}