1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.amd64; 24 25 import static jdk.vm.ci.code.ValueUtil.asRegister; 26 import jdk.vm.ci.amd64.AMD64Kind; 27 import jdk.vm.ci.meta.AllocatableValue; 28 import jdk.vm.ci.meta.Constant; 29 30 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 31 import org.graalvm.compiler.debug.GraalError; 32 import org.graalvm.compiler.lir.LIRInstructionClass; 33 import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction; 34 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 35 36 public final class AMD64HotSpotLoadAddressOp extends AMD64LIRInstruction { 37 38 public static final LIRInstructionClass<AMD64HotSpotLoadAddressOp> TYPE = LIRInstructionClass.create(AMD64HotSpotLoadAddressOp.class); 39 40 @Def({OperandFlag.REG}) protected AllocatableValue result; 41 private final Constant constant; 42 private final Object note; 43 44 public AMD64HotSpotLoadAddressOp(AllocatableValue result, Constant constant, Object note) { 45 super(TYPE); 46 this.result = result; 47 this.constant = constant; 48 this.note = note; 49 } 50 51 @Override 52 public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { 53 crb.recordInlineDataInCodeWithNote(constant, note); 54 AMD64Kind kind = (AMD64Kind) result.getPlatformKind(); 55 switch (kind) { 56 case DWORD: 57 masm.movl(asRegister(result), masm.getPlaceholder(-1)); 58 break; 59 case QWORD: 60 masm.movq(asRegister(result), masm.getPlaceholder(-1)); 61 break; 62 default: 63 throw GraalError.shouldNotReachHere("unexpected kind: " + kind); 64 } 65 } 66 67 }