--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotNodeCostProvider.java 2016-12-07 13:49:38.037821937 -0800 @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2016, 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 org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_15; +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_50; +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_6; +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_80; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_30; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_4; + +import org.graalvm.compiler.graph.Node; +import org.graalvm.compiler.hotspot.nodes.HotSpotNodeCostProvider; +import org.graalvm.compiler.nodeinfo.NodeCycles; +import org.graalvm.compiler.nodeinfo.NodeSize; +import org.graalvm.compiler.nodes.ReturnNode; +import org.graalvm.compiler.replacements.nodes.ArrayEqualsNode; +import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode; + +import jdk.vm.ci.amd64.AMD64; +import jdk.vm.ci.amd64.AMD64.CPUFeature; +import jdk.vm.ci.code.TargetDescription; + +public class AMD64HotSpotNodeCostProvider extends HotSpotNodeCostProvider { + private final boolean avx2; + private final boolean sse41; + + public AMD64HotSpotNodeCostProvider(TargetDescription target) { + this.avx2 = ((AMD64) target.arch).getFeatures().contains(CPUFeature.AVX2); + this.sse41 = ((AMD64) target.arch).getFeatures().contains(CPUFeature.SSE4_1); + } + + @Override + public NodeCycles cycles(Node n) { + if (n instanceof UnaryMathIntrinsicNode) { + UnaryMathIntrinsicNode u = (UnaryMathIntrinsicNode) n; + switch (u.getOperation()) { + case LOG: + case LOG10: + return CYCLES_15; + default: + break; + } + } else if (n instanceof ReturnNode) { + return CYCLES_6; + } else if (n instanceof ArrayEqualsNode) { + if (avx2) { + return CYCLES_50; + } else if (sse41) { + return CYCLES_80; + } + } + return super.cycles(n); + } + + @Override + public NodeSize size(Node n) { + if (n instanceof UnaryMathIntrinsicNode) { + UnaryMathIntrinsicNode u = (UnaryMathIntrinsicNode) n; + switch (u.getOperation()) { + case LOG: + case LOG10: + return SIZE_30; + default: + break; + } + } else if (n instanceof ReturnNode) { + return SIZE_4; + } + return super.size(n); + } + +}