1 /*
   2  * Copyright (c) 2016, 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.hotspot.amd64;
  26 
  27 import static org.graalvm.compiler.hotspot.HotSpotBackend.Options.GraalArithmeticStubs;
  28 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotMathIntrinsicOp.IntrinsicOpcode.COS;
  29 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotMathIntrinsicOp.IntrinsicOpcode.LOG;
  30 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotMathIntrinsicOp.IntrinsicOpcode.LOG10;
  31 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotMathIntrinsicOp.IntrinsicOpcode.SIN;
  32 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotMathIntrinsicOp.IntrinsicOpcode.TAN;
  33 
  34 import org.graalvm.compiler.core.amd64.AMD64ArithmeticLIRGenerator;
  35 import org.graalvm.compiler.core.common.LIRKind;
  36 import org.graalvm.compiler.hotspot.HotSpotBackend.Options;
  37 import org.graalvm.compiler.lir.Variable;
  38 import org.graalvm.compiler.lir.gen.LIRGenerator;
  39 
  40 import jdk.vm.ci.meta.Value;
  41 
  42 /**
  43  * Lowering of selected {@link Math} routines that depends on the value of
  44  * {@link Options#GraalArithmeticStubs}.
  45  */
  46 public class AMD64HotSpotMaths implements AMD64ArithmeticLIRGenerator.Maths {
  47 
  48     @Override
  49     public Variable emitLog(LIRGenerator gen, Value input, boolean base10) {
  50         if (GraalArithmeticStubs.getValue(gen.getResult().getLIR().getOptions())) {
  51             return null;
  52         }
  53         Variable result = gen.newVariable(LIRKind.combine(input));
  54         gen.append(new AMD64HotSpotMathIntrinsicOp(base10 ? LOG10 : LOG, result, gen.asAllocatable(input)));
  55         return result;
  56     }
  57 
  58     @Override
  59     public Variable emitCos(LIRGenerator gen, Value input) {
  60         if (GraalArithmeticStubs.getValue(gen.getResult().getLIR().getOptions())) {
  61             return null;
  62         }
  63         Variable result = gen.newVariable(LIRKind.combine(input));
  64         gen.append(new AMD64HotSpotMathIntrinsicOp(COS, result, gen.asAllocatable(input)));
  65         return result;
  66     }
  67 
  68     @Override
  69     public Variable emitSin(LIRGenerator gen, Value input) {
  70         if (GraalArithmeticStubs.getValue(gen.getResult().getLIR().getOptions())) {
  71             return null;
  72         }
  73         Variable result = gen.newVariable(LIRKind.combine(input));
  74         gen.append(new AMD64HotSpotMathIntrinsicOp(SIN, result, gen.asAllocatable(input)));
  75         return result;
  76     }
  77 
  78     @Override
  79     public Variable emitTan(LIRGenerator gen, Value input) {
  80         if (GraalArithmeticStubs.getValue(gen.getResult().getLIR().getOptions())) {
  81             return null;
  82         }
  83         Variable result = gen.newVariable(LIRKind.combine(input));
  84         gen.append(new AMD64HotSpotMathIntrinsicOp(TAN, result, gen.asAllocatable(input)));
  85         return result;
  86     }
  87 
  88 }