--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCByteSwapOp.java 2020-05-01 02:31:03.233953039 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,88 +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 static jdk.vm.ci.code.ValueUtil.asRegister; -import static jdk.vm.ci.sparc.SPARCKind.WORD; -import static jdk.vm.ci.sparc.SPARCKind.XWORD; -import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.HINT; -import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; -import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK; -import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.UNINITIALIZED; - -import org.graalvm.compiler.asm.sparc.SPARCAddress; -import org.graalvm.compiler.asm.sparc.SPARCAssembler.Asi; -import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; -import org.graalvm.compiler.core.common.LIRKind; -import org.graalvm.compiler.debug.GraalError; -import org.graalvm.compiler.lir.LIRInstructionClass; -import org.graalvm.compiler.lir.Opcode; -import org.graalvm.compiler.lir.asm.CompilationResultBuilder; -import org.graalvm.compiler.lir.gen.LIRGeneratorTool; - -import jdk.vm.ci.code.Register; -import jdk.vm.ci.code.ValueUtil; -import jdk.vm.ci.meta.AllocatableValue; -import jdk.vm.ci.sparc.SPARCKind; - -@Opcode("BSWAP") -public final class SPARCByteSwapOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { - public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCByteSwapOp.class); - public static final SizeEstimate SIZE = SizeEstimate.create(3); - @Def({REG, HINT}) protected AllocatableValue result; - @Use({REG}) protected AllocatableValue input; - @Temp({REG}) protected AllocatableValue tempIndex; - @Use({STACK, UNINITIALIZED}) protected AllocatableValue tmpSlot; - - public SPARCByteSwapOp(LIRGeneratorTool tool, AllocatableValue result, AllocatableValue input) { - super(TYPE, SIZE); - this.result = result; - this.input = input; - this.tmpSlot = tool.getResult().getFrameMapBuilder().allocateSpillSlot(LIRKind.value(XWORD)); - this.tempIndex = tool.newVariable(LIRKind.value(XWORD)); - } - - @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - SPARCAddress addr = (SPARCAddress) crb.asAddress(tmpSlot); - SPARCMove.emitStore(input, addr, result.getPlatformKind(), SPARCDelayedControlTransfer.DUMMY, null, crb, masm); - if (addr.getIndex().equals(Register.None)) { - Register tempReg = ValueUtil.asRegister(tempIndex, XWORD); - masm.setx(addr.getDisplacement(), tempReg, false); - addr = new SPARCAddress(addr.getBase(), tempReg); - } - getDelayedControlTransfer().emitControlTransfer(crb, masm); - switch ((SPARCKind) input.getPlatformKind()) { - case WORD: - masm.lduwa(addr.getBase(), addr.getIndex(), asRegister(result, WORD), Asi.ASI_PRIMARY_LITTLE); - break; - case XWORD: - masm.ldxa(addr.getBase(), addr.getIndex(), asRegister(result, XWORD), Asi.ASI_PRIMARY_LITTLE); - break; - default: - throw GraalError.shouldNotReachHere(); - } - } -}