Mercurial > hg > graal-compiler
diff graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/trace/TraceLinearScanRegisterAllocationPhase.java @ 22553:481574c6185b
TraceRA: rename LinearScanRegisterAllocationPhase to TraceLinearScanRegisterAllocationPhase.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Mon, 31 Aug 2015 13:48:59 +0200 |
parents | graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/trace/LinearScanRegisterAllocationPhase.java@44c517c8ba62 |
children | 576594eb9fb0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/trace/TraceLinearScanRegisterAllocationPhase.java Mon Aug 31 13:48:59 2015 +0200 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2015, 2015, 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 com.oracle.graal.lir.alloc.trace; + +import java.util.*; + +import jdk.internal.jvmci.code.*; +import com.oracle.graal.debug.*; + +import com.oracle.graal.compiler.common.alloc.*; +import com.oracle.graal.compiler.common.cfg.*; +import com.oracle.graal.lir.gen.*; +import com.oracle.graal.lir.gen.LIRGeneratorTool.SpillMoveFactory; +import com.oracle.graal.lir.phases.*; + +public final class TraceLinearScanRegisterAllocationPhase extends AllocationPhase { + + private final TraceLinearScan allocator; + + TraceLinearScanRegisterAllocationPhase(TraceLinearScan allocator) { + this.allocator = allocator; + } + + @Override + protected <B extends AbstractBlockBase<B>> void run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, SpillMoveFactory spillMoveFactory, + RegisterAllocationConfig registerAllocationConfig) { + allocator.printIntervals("Before register allocation"); + allocateRegisters(); + allocator.printIntervals("After register allocation"); + } + + void allocateRegisters() { + try (Indent indent = Debug.logAndIndent("allocate registers")) { + Interval precoloredIntervals; + Interval notPrecoloredIntervals; + + Interval.Pair result = allocator.createUnhandledLists(TraceLinearScan.IS_PRECOLORED_INTERVAL, TraceLinearScan.IS_VARIABLE_INTERVAL); + precoloredIntervals = result.first; + notPrecoloredIntervals = result.second; + + // allocate cpu registers + LinearScanWalker lsw = new LinearScanWalker(allocator, precoloredIntervals, notPrecoloredIntervals); + lsw.walk(); + lsw.finishAllocation(); + } + } + +}