1 /*
   2  * Copyright (c) 2011, 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 static jdk.vm.ci.amd64.AMD64.xmm0;
  28 import static jdk.vm.ci.amd64.AMD64.xmm1;
  29 import static org.graalvm.compiler.lir.amd64.AMD64HotSpotHelper.registersToValues;
  30 
  31 import org.graalvm.compiler.core.common.LIRKind;
  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.amd64.AMD64Kind;
  37 import jdk.vm.ci.code.Register;
  38 import jdk.vm.ci.code.RegisterValue;
  39 import jdk.vm.ci.meta.Value;
  40 
  41 /**
  42  * AMD64MathIntrinsicBinaryOp assumes that the input values are stored in the xmm0 and xmm1
  43  * registers, and it will emit the output value into the xmm0 register.
  44  * {@link #emitLIRWrapper(LIRGenerator, Value, Value)} is provided for emitting necessary mov LIRs
  45  * before and after this LIR instruction.
  46  */
  47 public abstract class AMD64MathIntrinsicBinaryOp extends AMD64LIRInstruction {
  48 
  49     @Def protected Value output;
  50     @Use protected Value input0;
  51     @Use protected Value input1;
  52     @Temp protected Value[] temps;
  53 
  54     public AMD64MathIntrinsicBinaryOp(LIRInstructionClass<? extends AMD64MathIntrinsicBinaryOp> type, Register... registers) {
  55         super(type);
  56 
  57         input0 = xmm0.asValue(LIRKind.value(AMD64Kind.DOUBLE));
  58         input1 = xmm1.asValue(LIRKind.value(AMD64Kind.DOUBLE));
  59         output = xmm0.asValue(LIRKind.value(AMD64Kind.DOUBLE));
  60 
  61         temps = registersToValues(registers);
  62     }
  63 
  64     public final Variable emitLIRWrapper(LIRGenerator gen, Value x, Value y) {
  65         LIRKind kind = LIRKind.combine(x, y);
  66         RegisterValue xmm0Value = xmm0.asValue(kind);
  67         gen.emitMove(xmm0Value, x);
  68         RegisterValue xmm1Value = xmm1.asValue(kind);
  69         gen.emitMove(xmm1Value, y);
  70         gen.append(this);
  71         Variable result = gen.newVariable(kind);
  72         gen.emitMove(result, xmm0Value);
  73         return result;
  74     }
  75 }