Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.ptx/src/com/oracle/graal/lir/ptx/PTXControlFlow.java @ 8597:19978b870b5f
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author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 01 Apr 2013 21:47:39 +0200 |
parents | ae7e78091f03 |
children | 585cc62fcdc5 |
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/* * Copyright (c) 2013, 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.ptx; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.*; import com.oracle.graal.asm.ptx.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.nodes.calc.*; public class PTXControlFlow { public static class ReturnOp extends PTXLIRInstruction { @Use({REG, ILLEGAL}) protected Value x; public ReturnOp(Value x) { this.x = x; } @Override public void emitCode(TargetMethodAssembler tasm, PTXAssembler masm) { if (tasm.frameContext != null) { tasm.frameContext.leave(tasm); } masm.exit(); } } public static class BranchOp extends PTXLIRInstruction implements StandardOp.BranchOp { protected Condition condition; protected LabelRef destination; public BranchOp(Condition condition, LabelRef destination) { this.condition = condition; this.destination = destination; } @Override public void emitCode(TargetMethodAssembler tasm, PTXAssembler masm) { masm.at(); Label l = destination.label(); l.addPatchAt(tasm.asm.codeBuffer.position()); String target = l.isBound() ? "L" + l.toString() : AbstractPTXAssembler.UNBOUND_TARGET; masm.bra(target); } @Override public LabelRef destination() { return destination; } @Override public void negate(LabelRef newDestination) { destination = newDestination; condition = condition.negate(); } } }