--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCPauseOp.java	2020-05-01 02:31:15.250184173 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2012, 2018, 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 org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
-import org.graalvm.compiler.lir.LIRInstructionClass;
-import org.graalvm.compiler.lir.Opcode;
-import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
-
-/**
- * Emits a pause.
- */
-@Opcode("PAUSE")
-public final class SPARCPauseOp extends SPARCLIRInstruction {
-    public static final LIRInstructionClass<SPARCPauseOp> TYPE = LIRInstructionClass.create(SPARCPauseOp.class);
-    public static final SizeEstimate SIZE = SizeEstimate.create(1);
-
-    public SPARCPauseOp() {
-        super(TYPE, SIZE);
-    }
-
-    @Override
-    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
-        masm.pause();
-    }
-}