1 /* 2 * Copyright (c) 2011, 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.lir.sparc; 24 25 import org.graalvm.compiler.asm.NumUtil; 26 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; 27 import org.graalvm.compiler.lir.LIRInstruction; 28 import org.graalvm.compiler.lir.LIRInstructionClass; 29 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 30 31 import jdk.vm.ci.meta.JavaConstant; 32 33 /** 34 * Convenience class to provide SPARCMacroAssembler for the {@link #emitCode} method. 35 */ 36 public abstract class SPARCLIRInstruction extends LIRInstruction implements SPARCLIRInstructionMixin { 37 public static final LIRInstructionClass<SPARCLIRInstruction> TYPE = LIRInstructionClass.create(SPARCLIRInstruction.class); 38 private final SPARCLIRInstructionMixinStore store; 39 40 protected SPARCLIRInstruction(LIRInstructionClass<? extends LIRInstruction> c) { 41 this(c, null); 42 } 43 44 protected SPARCLIRInstruction(LIRInstructionClass<? extends LIRInstruction> c, SizeEstimate size) { 45 super(c); 46 store = new SPARCLIRInstructionMixinStore(size); 47 } 48 49 @Override 50 public void emitCode(CompilationResultBuilder crb) { 51 emitCode(crb, (SPARCMacroAssembler) crb.asm); 52 } 53 54 protected abstract void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm); 55 56 @Override 57 public SPARCLIRInstructionMixinStore getSPARCLIRInstructionStore() { 58 return store; 59 } 60 61 protected static int asImmediate(JavaConstant value) { 62 if (value.isNull()) { 63 return 0; 64 } else { 65 long val = value.asLong(); 66 assert NumUtil.isInt(val); 67 return (int) val; 68 } 69 } 70 }