Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/MemoryArithmeticLIRLowerable.java @ 14707:6ce6c4ccba8f
initial support for memory arithmetic on x86
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 20 Mar 2014 15:57:03 -0700 |
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/* * Copyright (c) 2014, 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.nodes.spi; import com.oracle.graal.nodes.extended.*; /** * Marks nodes which may be lowered in combination with a memory operation. */ public interface MemoryArithmeticLIRLowerable { /** * Attempt to generate a memory form of a node operation. On platforms that support it this will * be called when the merging is safe. * * @param gen * @param access the memory input which can potentially merge into this operation. * @return null if it's not possible to emit a memory form of this operation. A non-null value * will be set as the operand of this node. */ boolean generate(MemoryArithmeticLIRLowerer gen, Access access); }