1 /*
   2  * Copyright (c) 2019, 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.aarch64;
  26 
  27 import static jdk.vm.ci.aarch64.AArch64.v0;
  28 import static jdk.vm.ci.aarch64.AArch64.v1;
  29 
  30 import org.graalvm.compiler.core.common.LIRKind;
  31 import org.graalvm.compiler.debug.GraalError;
  32 import org.graalvm.compiler.lir.LIRInstructionClass;
  33 import org.graalvm.compiler.lir.Variable;
  34 import org.graalvm.compiler.lir.gen.LIRGenerator;
  35 
  36 import jdk.vm.ci.aarch64.AArch64;
  37 import jdk.vm.ci.aarch64.AArch64Kind;
  38 import jdk.vm.ci.code.Register;
  39 import jdk.vm.ci.code.RegisterValue;
  40 import jdk.vm.ci.meta.Value;
  41 
  42 public abstract class AArch64MathIntrinsicBinaryOp extends AArch64LIRInstruction {
  43 
  44     @Def protected Value output;
  45     @Use protected Value input0;
  46     @Use protected Value input1;
  47     @Temp protected Value[] temps;
  48 
  49     public AArch64MathIntrinsicBinaryOp(LIRInstructionClass<? extends AArch64LIRInstruction> type, Register... registers) {
  50         super(type);
  51         input0 = v0.asValue(LIRKind.value(AArch64Kind.V64_WORD));
  52         input1 = v0.asValue(LIRKind.value(AArch64Kind.V64_WORD));
  53         output = v0.asValue(LIRKind.value(AArch64Kind.V64_WORD));
  54 
  55         temps = registersToValues(registers);
  56     }
  57 
  58     protected static Value[] registersToValues(Register[] registers) {
  59         Value[] temps = new Value[registers.length];
  60         for (int i = 0; i < registers.length; i++) {
  61             Register register = registers[i];
  62             if (AArch64.CPU.equals(register.getRegisterCategory())) {
  63                 temps[i] = register.asValue(LIRKind.value(AArch64Kind.V64_WORD));
  64             } else if (AArch64.SIMD.equals(register.getRegisterCategory())) {
  65                 temps[i] = register.asValue(LIRKind.value(AArch64Kind.V64_WORD));
  66             } else {
  67                 throw GraalError.shouldNotReachHere("Unsupported register type in math stubs.");
  68             }
  69         }
  70         return temps;
  71     }
  72 
  73     public final Variable emitLIRWrapper(LIRGenerator gen, Value x, Value y) {
  74         LIRKind kind = LIRKind.combine(x, y);
  75         RegisterValue v0value = v0.asValue(kind);
  76         gen.emitMove(v0value, x);
  77         RegisterValue v1value = v1.asValue(kind);
  78         gen.emitMove(v1value, y);
  79         gen.append(this);
  80         Variable result = gen.newVariable(kind);
  81         gen.emitMove(result, v0value);
  82         return result;
  83     }
  84 }