--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCTailDelayedLIRInstruction.java	2020-05-01 02:31:17.490227260 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,57 +0,0 @@
-/*
- * Copyright (c) 2013, 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.LIRInstruction;
-
-/**
- * Implementors of this interface are able to place its last instruction into the delay slot of a
- * {@link SPARCDelayedControlTransfer} instruction.
- *
- * The implementor has to do following steps to emit code into the delay slot for the
- * DelayedControlTransfer instruction:
- * <ol>
- * <li>Emit everything up to the second last instruction.</li>
- * <li>Call
- * {@link SPARCDelayedControlTransfer#emitControlTransfer(org.graalvm.compiler.lir.asm.CompilationResultBuilder, SPARCMacroAssembler)}
- * to let the DelayedControlTransfer instruction emit its own code (But must not stuff the delay
- * slot with Nop)</li>
- * <li>emit the last instruction for this {@link LIRInstruction}</li>
- * </ol>
- *
- * Note: If this instruction decides not to use the delay slot, it can skip the call of
- * {@link SPARCDelayedControlTransfer#emitControlTransfer(org.graalvm.compiler.lir.asm.CompilationResultBuilder, SPARCMacroAssembler)}
- * . The DelayedControlTransfer instruction will emit the code just with Nop in the delay slot.
- */
-public interface SPARCTailDelayedLIRInstruction extends SPARCLIRInstructionMixin {
-    default void setDelayedControlTransfer(SPARCDelayedControlTransfer holder) {
-        getSPARCLIRInstructionStore().delayedControlTransfer = holder;
-    }
-
-    default SPARCDelayedControlTransfer getDelayedControlTransfer() {
-        return getSPARCLIRInstructionStore().delayedControlTransfer;
-    }
-}