1 /*
   2  * Copyright (c) 2018, 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 
  25 package org.graalvm.compiler.lir.amd64;
  26 
  27 import org.graalvm.compiler.asm.amd64.AMD64Address;
  28 import org.graalvm.compiler.core.common.LIRKind;
  29 import org.graalvm.compiler.debug.GraalError;
  30 import org.graalvm.compiler.lir.asm.ArrayDataPointerConstant;
  31 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
  32 
  33 import jdk.vm.ci.amd64.AMD64;
  34 import jdk.vm.ci.amd64.AMD64Kind;
  35 import jdk.vm.ci.code.Register;
  36 import jdk.vm.ci.meta.Value;
  37 
  38 public final class AMD64HotSpotHelper {
  39 
  40     private AMD64HotSpotHelper() {
  41     }
  42 
  43     protected static Value[] registersToValues(Register[] registers) {
  44         Value[] temps = new Value[registers.length];
  45         for (int i = 0; i < registers.length; i++) {
  46             Register register = registers[i];
  47             if (AMD64.CPU.equals(register.getRegisterCategory())) {
  48                 temps[i] = register.asValue(LIRKind.value(AMD64Kind.QWORD));
  49             } else if (AMD64.XMM.equals(register.getRegisterCategory())) {
  50                 temps[i] = register.asValue(LIRKind.value(AMD64Kind.DOUBLE));
  51             } else {
  52                 throw GraalError.shouldNotReachHere("Unsupported register type in math stubs.");
  53             }
  54         }
  55         return temps;
  56     }
  57 
  58     protected static AMD64Address recordExternalAddress(CompilationResultBuilder crb, ArrayDataPointerConstant ptr) {
  59         return (AMD64Address) crb.recordDataReferenceInCode(ptr);
  60     }
  61 
  62     protected static ArrayDataPointerConstant pointerConstant(int alignment, int[] ints) {
  63         return new ArrayDataPointerConstant(ints, alignment);
  64     }
  65 }