--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotStrategySwitchOp.java	2020-05-01 02:30:54.145778227 -0700
+++ /dev/null	2020-03-09 18:57:19.455001459 -0700
@@ -1,112 +0,0 @@
-/*
- * Copyright (c) 2015, 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.hotspot.sparc;
-
-import static jdk.vm.ci.code.ValueUtil.asRegister;
-import static jdk.vm.ci.sparc.SPARC.g0;
-import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BPCC;
-import static org.graalvm.compiler.asm.sparc.SPARCAssembler.CBCOND;
-import static org.graalvm.compiler.asm.sparc.SPARCAssembler.INSTRUCTION_SIZE;
-import static org.graalvm.compiler.asm.sparc.SPARCAssembler.Annul.ANNUL;
-import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_TAKEN;
-import static org.graalvm.compiler.lir.sparc.SPARCMove.loadFromConstantTable;
-
-import org.graalvm.compiler.asm.Assembler.LabelHint;
-import org.graalvm.compiler.asm.Label;
-import org.graalvm.compiler.asm.sparc.SPARCAssembler.CC;
-import org.graalvm.compiler.asm.sparc.SPARCAssembler.ConditionFlag;
-import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
-import org.graalvm.compiler.core.common.calc.Condition;
-import org.graalvm.compiler.lir.LIRInstructionClass;
-import org.graalvm.compiler.lir.LabelRef;
-import org.graalvm.compiler.lir.SwitchStrategy;
-import org.graalvm.compiler.lir.Variable;
-import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
-import org.graalvm.compiler.lir.sparc.SPARCControlFlow;
-import org.graalvm.compiler.lir.sparc.SPARCDelayedControlTransfer;
-
-import jdk.vm.ci.code.Register;
-import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
-import jdk.vm.ci.meta.AllocatableValue;
-import jdk.vm.ci.meta.Constant;
-import jdk.vm.ci.meta.Value;
-import jdk.vm.ci.sparc.SPARC.CPUFeature;
-
-final class SPARCHotSpotStrategySwitchOp extends SPARCControlFlow.StrategySwitchOp {
-    public static final LIRInstructionClass<SPARCHotSpotStrategySwitchOp> TYPE = LIRInstructionClass.create(SPARCHotSpotStrategySwitchOp.class);
-
-    SPARCHotSpotStrategySwitchOp(Value constantTableBase, SwitchStrategy strategy, LabelRef[] keyTargets, LabelRef defaultTarget, AllocatableValue key, Variable scratch) {
-        super(TYPE, constantTableBase, strategy, keyTargets, defaultTarget, key, scratch);
-    }
-
-    public class HotSpotSwitchClosure extends SwitchClosure {
-        protected HotSpotSwitchClosure(Register keyRegister, Register constantBaseRegister, CompilationResultBuilder crb, SPARCMacroAssembler masm) {
-            super(keyRegister, constantBaseRegister, crb, masm);
-        }
-
-        @Override
-        protected void conditionalJump(int index, Condition condition, Label target) {
-            if (keyConstants[index] instanceof HotSpotMetaspaceConstant) {
-                HotSpotMetaspaceConstant constant = (HotSpotMetaspaceConstant) keyConstants[index];
-                CC conditionCode = constant.isCompressed() ? CC.Icc : CC.Xcc;
-                ConditionFlag conditionFlag = SPARCControlFlow.fromCondition(true, condition, false);
-                LabelHint hint = requestHint(masm, target);
-
-                // Load constant takes one instruction
-                int cbCondPosition = masm.position() + INSTRUCTION_SIZE;
-                boolean canUseShortBranch = masm.hasFeature(CPUFeature.CBCOND) && SPARCControlFlow.isShortBranch(masm, cbCondPosition, hint, target);
-
-                Register scratchRegister = asRegister(scratch);
-                loadFromConstantTable(crb, masm, asRegister(constantTableBase), constant, scratchRegister, SPARCDelayedControlTransfer.DUMMY);
-
-                if (canUseShortBranch) {
-                    CBCOND.emit(masm, conditionFlag, conditionCode == CC.Xcc, keyRegister, scratchRegister, target);
-                } else {
-                    masm.cmp(keyRegister, scratchRegister);
-                    BPCC.emit(masm, conditionCode, conditionFlag, ANNUL, PREDICT_TAKEN, target);
-                    masm.nop();  // delay slot
-                }
-            } else {
-                super.conditionalJump(index, condition, target);
-            }
-        }
-    }
-
-    @Override
-    protected int estimateEmbeddedSize(Constant c) {
-        if (c instanceof HotSpotMetaspaceConstant) {
-            return ((HotSpotMetaspaceConstant) c).isCompressed() ? 4 : 8;
-        } else {
-            return super.estimateEmbeddedSize(c);
-        }
-    }
-
-    @Override
-    public void emitCode(final CompilationResultBuilder crb, final SPARCMacroAssembler masm) {
-        final Register keyRegister = asRegister(key);
-        final Register constantBaseRegister = AllocatableValue.ILLEGAL.equals(constantTableBase) ? g0 : asRegister(constantTableBase);
-        strategy.run(new HotSpotSwitchClosure(keyRegister, constantBaseRegister, crb, masm));
-    }
-}