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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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.
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package com.oracle.max.graal.snippets.nodes;
import com.oracle.max.graal.compiler.target.amd64.*;
import com.oracle.max.graal.compiler.util.*;
import com.oracle.max.graal.graph.*;
import com.oracle.max.graal.nodes.*;
import com.oracle.max.graal.nodes.calc.*;
import com.oracle.max.graal.nodes.spi.*;
import com.oracle.max.graal.nodes.type.*;
import com.oracle.max.graal.snippets.target.amd64.*;
import com.sun.cri.ci.*;
public class MathIntrinsicNode extends FloatingNode implements Canonicalizable, AMD64LIRLowerable {
@Input private ValueNode x;
@Data private final Operation operation;
public enum Operation {
ABS, SQRT, LOG, LOG10, SIN, COS, TAN,
}
public ValueNode x() {
return x;
}
public Operation operation() {
return operation;
}
public MathIntrinsicNode(ValueNode x, Operation op) {
super(StampFactory.forKind(x.kind()));
assert x.kind() == CiKind.Double;
this.x = x;
this.operation = op;
}
@Override
public void generateAmd64(AMD64LIRGenerator gen) {
CiVariable input = gen.load(gen.operand(x()));
CiVariable result = gen.newVariable(kind());
switch (operation()) {
case ABS: gen.append(AMD64LogicFloatOpcode.DAND.create(result, input, CiConstant.forDouble(Double.longBitsToDouble(0x7FFFFFFFFFFFFFFFL)))); break;
case SQRT: gen.append(AMD64MathIntrinsicOpcode.SQRT.create(result, input)); break;
case LOG: gen.append(AMD64MathIntrinsicOpcode.LOG.create(result, input)); break;
case LOG10: gen.append(AMD64MathIntrinsicOpcode.LOG10.create(result, input)); break;
case SIN: gen.append(AMD64MathIntrinsicOpcode.SIN.create(result, input)); break;
case COS: gen.append(AMD64MathIntrinsicOpcode.COS.create(result, input)); break;
case TAN: gen.append(AMD64MathIntrinsicOpcode.TAN.create(result, input)); break;
default: throw Util.shouldNotReachHere();
}
gen.setResult(this, result);
}
@Override
public Node canonical(CanonicalizerTool tool) {
if (x().isConstant()) {
double value = x().asConstant().asDouble();
switch (operation()) {
case ABS: return ConstantNode.forDouble(Math.abs(value), graph());
case SQRT: return ConstantNode.forDouble(Math.sqrt(value), graph());
case LOG: return ConstantNode.forDouble(Math.log(value), graph());
case LOG10: return ConstantNode.forDouble(Math.log10(value), graph());
case SIN: return ConstantNode.forDouble(Math.sin(value), graph());
case COS: return ConstantNode.forDouble(Math.cos(value), graph());
case TAN: return ConstantNode.forDouble(Math.tan(value), graph());
}
}
return this;
}
@NodeIntrinsic
public static double compute(double x, @ConstantNodeParameter Operation op) {
throw new UnsupportedOperationException("This method may only be compiled with the Graal compiler");
}
}