1 /*
   2  * Copyright (c) 2013, 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 
  24 package org.graalvm.compiler.lir.sparc;
  25 
  26 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.COMPOSITE;
  27 
  28 import org.graalvm.compiler.asm.sparc.SPARCAssembler;
  29 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
  30 import org.graalvm.compiler.lir.LIRInstructionClass;
  31 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
  32 
  33 public final class SPARCPrefetchOp extends SPARCLIRInstruction {
  34     public static final LIRInstructionClass<SPARCPrefetchOp> TYPE = LIRInstructionClass.create(SPARCPrefetchOp.class);
  35     public static final SizeEstimate SIZE = SizeEstimate.create(1);
  36 
  37     private final int instr;  // AllocatePrefetchInstr
  38     @Alive({COMPOSITE}) protected SPARCAddressValue address;
  39 
  40     public SPARCPrefetchOp(SPARCAddressValue address, int instr) {
  41         super(TYPE, SIZE);
  42         this.address = address;
  43         this.instr = instr;
  44     }
  45 
  46     @Override
  47     public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
  48         assert instr >= 0 && instr < SPARCAssembler.Fcn.values().length : instr;
  49         masm.prefetch(address.toAddress(), SPARCAssembler.Fcn.values()[instr]);
  50     }
  51 }