/*
 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


package org.graalvm.compiler.hotspot.amd64;

import static jdk.vm.ci.code.ValueUtil.asRegister;

import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.lir.LIRInstructionClass;
import org.graalvm.compiler.lir.Opcode;
import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction;
import org.graalvm.compiler.lir.asm.CompilationResultBuilder;

import jdk.vm.ci.amd64.AMD64Kind;
import jdk.vm.ci.meta.Value;

This provides the default implementation expected by some HotSpot based lowerings of Math intrinsics. Depending on the release different patterns might be used.
/** * This provides the default implementation expected by some HotSpot based lowerings of Math * intrinsics. Depending on the release different patterns might be used. */
public final class AMD64HotSpotMathIntrinsicOp extends AMD64LIRInstruction { public static final LIRInstructionClass<AMD64HotSpotMathIntrinsicOp> TYPE = LIRInstructionClass.create(AMD64HotSpotMathIntrinsicOp.class); public enum IntrinsicOpcode { SIN, COS, TAN, LOG, LOG10 } @Opcode private final IntrinsicOpcode opcode; @Def protected Value result; @Use protected Value input; public AMD64HotSpotMathIntrinsicOp(IntrinsicOpcode opcode, Value result, Value input) { super(TYPE); this.opcode = opcode; this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { switch (opcode) { case LOG: masm.flog(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE), false); break; case LOG10: masm.flog(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE), true); break; case SIN: masm.fsin(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE)); break; case COS: masm.fcos(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE)); break; case TAN: masm.ftan(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE)); break; default: throw GraalError.shouldNotReachHere(); } } }