--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCSaveRegistersOp.java	2020-05-20 18:12:15.872202718 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,94 +0,0 @@
-/*
- * Copyright (c) 2014, 2019, 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 jdk.vm.ci.code.ValueUtil.asStackSlot;
-import static jdk.vm.ci.code.ValueUtil.isStackSlot;
-import static org.graalvm.compiler.lir.sparc.SPARCDelayedControlTransfer.DUMMY;
-
-import jdk.internal.vm.compiler.collections.EconomicSet;
-import org.graalvm.compiler.asm.sparc.SPARCAddress;
-import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
-import org.graalvm.compiler.lir.LIRInstructionClass;
-import org.graalvm.compiler.lir.Opcode;
-import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp;
-import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
-
-import jdk.vm.ci.code.Register;
-import jdk.vm.ci.code.RegisterValue;
-import jdk.vm.ci.code.StackSlot;
-import jdk.vm.ci.meta.AllocatableValue;
-import jdk.vm.ci.sparc.SPARC;
-
-/**
- * Saves registers to stack slots.
- */
-@Opcode("SAVE_REGISTER")
-public class SPARCSaveRegistersOp extends SaveRegistersOp implements SPARCLIRInstructionMixin {
-    public static final LIRInstructionClass<SPARCSaveRegistersOp> TYPE = LIRInstructionClass.create(SPARCSaveRegistersOp.class);
-    public static final Register RETURN_REGISTER_STORAGE = SPARC.d62;
-    public static final SizeEstimate SIZE = SizeEstimate.create(32);
-    private final SPARCLIRInstructionMixinStore store;
-
-    /**
-     *
-     * @param savedRegisters the registers saved by this operation which may be subject to
-     *            {@linkplain #remove(EconomicSet) pruning}
-     * @param savedRegisterLocations the slots to which the registers are saved
-     */
-    public SPARCSaveRegistersOp(Register[] savedRegisters, AllocatableValue[] savedRegisterLocations) {
-        super(TYPE, savedRegisters, savedRegisterLocations);
-        this.store = new SPARCLIRInstructionMixinStore(SIZE);
-    }
-
-    @Override
-    public void emitCode(CompilationResultBuilder crb) {
-        SPARCMacroAssembler masm = (SPARCMacroAssembler) crb.asm;
-        // Can be used with VIS3
-        // new Movxtod(SPARC.i0, RETURN_REGISTER_STORAGE).emit(masm);
-        // We abuse the first stackslot for transferring i0 to return_register_storage
-        // assert slots.length >= 1;
-        SPARCAddress slot0Address = (SPARCAddress) crb.asAddress(slots[0]);
-        masm.stx(SPARC.i0, slot0Address);
-        masm.lddf(slot0Address, RETURN_REGISTER_STORAGE);
-
-        // Now save the registers
-        for (int i = 0; i < savedRegisters.length; i++) {
-            if (savedRegisters[i] != null) {
-                assert isStackSlot(slots[i]) : "not a StackSlot: " + slots[i];
-                Register savedRegister = savedRegisters[i];
-                StackSlot slot = asStackSlot(slots[i]);
-                SPARCAddress slotAddress = (SPARCAddress) crb.asAddress(slot);
-                RegisterValue input = savedRegister.asValue(slot.getValueKind());
-                SPARCMove.emitStore(input, slotAddress, slot.getPlatformKind(), DUMMY, null, crb, masm);
-            }
-        }
-    }
-
-    @Override
-    public SPARCLIRInstructionMixinStore getSPARCLIRInstructionStore() {
-        return store;
-    }
-}